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Merge branch 'linux-linaro-lsk-v4.4-android' of git://git.linaro.org/kernel/linux-linaro-stable.git

Browse Source 
* linux-linaro-lsk-v4.4-android: (395 commits)
  Linux 4.4.126
  net: systemport: Rewrite __bcm_sysport_tx_reclaim()
  net: fec: Fix unbalanced PM runtime calls
  ieee802154: 6lowpan: fix possible NULL deref in lowpan_device_event()
  s390/qeth: on channel error, reject further cmd requests
  s390/qeth: lock read device while queueing next buffer
  s390/qeth: when thread completes, wake up all waiters
  s390/qeth: free netdevice when removing a card
  team: Fix double free in error path
  skbuff: Fix not waking applications when errors are enqueued
  net: Only honor ifindex in IP_PKTINFO if non-0
  netlink: avoid a double skb free in genlmsg_mcast()
  net/iucv: Free memory obtained by kzalloc
  net: ethernet: ti: cpsw: add check for in-band mode setting with RGMII PHY interface
  net: ethernet: arc: Fix a potential memory leak if an optional regulator is deferred
  l2tp: do not accept arbitrary sockets
  ipv6: fix access to non-linear packet in ndisc_fill_redirect_hdr_option()
  dccp: check sk for closed state in dccp_sendmsg()
  net: Fix hlist corruptions in inet_evict_bucket()
  Revert "genirq: Use irqd_get_trigger_type to compare the trigger type for shared IRQs"
  ...

Conflicts:
	include/linux/usb/quirks.h

Change-Id: I125065cef66846e4cdee799f4b34d07c309d353e
This commit is contained in:
Tao Huang 2018-04-08 18:28:30 +08:00
commit 0b3ed0efcd
372 changed files with 2964 additions and 1225 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
Makefile
View File

@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
SUBLEVEL = 120
SUBLEVEL = 126
EXTRAVERSION =
NAME = Blurry Fish Butt
@ -831,6 +831,15 @@ KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign)
# disable invalid "can't wrap" optimizations for signed / pointers
KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow)
# clang sets -fmerge-all-constants by default as optimization, but this
# is non-conforming behavior for C and in fact breaks the kernel, so we
# need to disable it here generally.
KBUILD_CFLAGS += $(call cc-option,-fno-merge-all-constants)
# for gcc -fno-merge-all-constants disables everything, but it is fine
# to have actual conforming behavior enabled.
KBUILD_CFLAGS += $(call cc-option,-fmerge-constants)
# Make sure -fstack-check isn't enabled (like gentoo apparently did)
KBUILD_CFLAGS += $(call cc-option,-fno-stack-check,)

1
arch/alpha/kernel/console.c
View File

@ -20,6 +20,7 @@
struct pci_controller *pci_vga_hose;
static struct resource alpha_vga = {
.name = "alpha-vga+",
.flags = IORESOURCE_IO,
.start = 0x3C0,
.end = 0x3DF
};

2
arch/arm/boot/dts/am335x-pepper.dts
View File

@ -139,7 +139,7 @@ accel_pins: pinmux_accel {
&audio_codec {
status = "okay";
gpio-reset = <&gpio1 16 GPIO_ACTIVE_LOW>;
reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
AVDD-supply = <&ldo3_reg>;
IOVDD-supply = <&ldo3_reg>;
DRVDD-supply = <&ldo3_reg>;

2
arch/arm/boot/dts/exynos4412-trats2.dts
View File

@ -359,7 +359,7 @@ panel@0 {
reg = <0>;
vdd3-supply = <&lcd_vdd3_reg>;
vci-supply = <&ldo25_reg>;
reset-gpios = <&gpy4 5 GPIO_ACTIVE_HIGH>;
reset-gpios = <&gpf2 1 GPIO_ACTIVE_HIGH>;
power-on-delay= <50>;
reset-delay = <100>;
init-delay = <100>;

8
arch/arm/boot/dts/logicpd-torpedo-som.dtsi
View File

@ -90,6 +90,8 @@ filesystem@680000 {
};
&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
clock-frequency = <2600000>;
twl: twl@48 {
@ -137,6 +139,12 @@ OMAP3_CORE1_IOPAD(0x2184, PIN_INPUT_PULLUP | MUX_MODE4) /* mcbsp4_clkx.gpio_152
OMAP3_CORE1_IOPAD(0x218e, PIN_OUTPUT | MUX_MODE4) /* mcbsp1_fsr.gpio_157 */
>;
};
i2c1_pins: pinmux_i2c1_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x21ba, PIN_INPUT | MUX_MODE0) /* i2c1_scl.i2c1_scl */
OMAP3_CORE1_IOPAD(0x21bc, PIN_INPUT | MUX_MODE0) /* i2c1_sda.i2c1_sda */
>;
};
};
&omap3_pmx_core2 {

2
arch/arm/boot/dts/moxart-uc7112lx.dts
View File

@ -6,7 +6,7 @@
*/
/dts-v1/;
/include/ "moxart.dtsi"
#include "moxart.dtsi"
/ {
model = "MOXA UC-7112-LX";

17
arch/arm/boot/dts/moxart.dtsi
View File

@ -6,6 +6,7 @@
*/
/include/ "skeleton.dtsi"
#include <dt-bindings/interrupt-controller/irq.h>
/ {
compatible = "moxa,moxart";
@ -36,8 +37,8 @@ soc {
ranges;
intc: interrupt-controller@98800000 {
compatible = "moxa,moxart-ic";
reg = <0x98800000 0x38>;
compatible = "moxa,moxart-ic", "faraday,ftintc010";
reg = <0x98800000 0x100>;
interrupt-controller;
#interrupt-cells = <2>;
interrupt-mask = <0x00080000>;
@ -59,7 +60,7 @@ clk_apb: clk_apb@98100000 {
timer: timer@98400000 {
compatible = "moxa,moxart-timer";
reg = <0x98400000 0x42>;
interrupts = <19 1>;
interrupts = <19 IRQ_TYPE_EDGE_FALLING>;
clocks = <&clk_apb>;
};
@ -80,7 +81,7 @@ rtc: rtc {
dma: dma@90500000 {
compatible = "moxa,moxart-dma";
reg = <0x90500080 0x40>;
interrupts = <24 0>;
interrupts = <24 IRQ_TYPE_LEVEL_HIGH>;
#dma-cells = <1>;
};
@ -93,7 +94,7 @@ watchdog: watchdog@98500000 {
sdhci: sdhci@98e00000 {
compatible = "moxa,moxart-sdhci";
reg = <0x98e00000 0x5C>;
interrupts = <5 0>;
interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk_apb>;
dmas = <&dma 5>,
<&dma 5>;
@ -120,7 +121,7 @@ mdio1: mdio@92000090 {
mac0: mac@90900000 {
compatible = "moxa,moxart-mac";
reg = <0x90900000 0x90>;
interrupts = <25 0>;
interrupts = <25 IRQ_TYPE_LEVEL_HIGH>;
phy-handle = <&ethphy0>;
phy-mode = "mii";
status = "disabled";
@ -129,7 +130,7 @@ mac0: mac@90900000 {
mac1: mac@92000000 {
compatible = "moxa,moxart-mac";
reg = <0x92000000 0x90>;
interrupts = <27 0>;
interrupts = <27 IRQ_TYPE_LEVEL_HIGH>;
phy-handle = <&ethphy1>;
phy-mode = "mii";
status = "disabled";
@ -138,7 +139,7 @@ mac1: mac@92000000 {
uart0: uart@98200000 {
compatible = "ns16550a";
reg = <0x98200000 0x20>;
interrupts = <31 8>;
interrupts = <31 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
clock-frequency = <14745600>;

4
arch/arm/boot/dts/omap3-n900.dts
View File

@ -488,7 +488,7 @@ &i2c2 {
tlv320aic3x: tlv320aic3x@18 {
compatible = "ti,tlv320aic3x";
reg = <0x18>;
gpio-reset = <&gpio2 28 GPIO_ACTIVE_HIGH>; /* 60 */
reset-gpios = <&gpio2 28 GPIO_ACTIVE_LOW>; /* 60 */
ai3x-gpio-func = <
0 /* AIC3X_GPIO1_FUNC_DISABLED */
5 /* AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT */
@ -505,7 +505,7 @@ tlv320aic3x: tlv320aic3x@18 {
tlv320aic3x_aux: tlv320aic3x@19 {
compatible = "ti,tlv320aic3x";
reg = <0x19>;
gpio-reset = <&gpio2 28 GPIO_ACTIVE_HIGH>; /* 60 */
reset-gpios = <&gpio2 28 GPIO_ACTIVE_LOW>; /* 60 */
AVDD-supply = <&vmmc2>;
DRVDD-supply = <&vmmc2>;

7
arch/arm/boot/dts/r8a7790.dtsi
View File

@ -1360,8 +1360,11 @@ mstp10_clks: mstp10_clks@e6150998 {
compatible = "renesas,r8a7790-mstp-clocks", "renesas,cpg-mstp-clocks";
reg = <0 0xe6150998 0 4>, <0 0xe61509a8 0 4>;
clocks = <&p_clk>,
<&p_clk>, <&p_clk>, <&p_clk>, <&p_clk>, <&p_clk>,
<&p_clk>, <&p_clk>, <&p_clk>, <&p_clk>, <&p_clk>,
<&mstp10_clks R8A7790_CLK_SSI_ALL>, <&mstp10_clks R8A7790_CLK_SSI_ALL>,
<&mstp10_clks R8A7790_CLK_SSI_ALL>, <&mstp10_clks R8A7790_CLK_SSI_ALL>,
<&mstp10_clks R8A7790_CLK_SSI_ALL>, <&mstp10_clks R8A7790_CLK_SSI_ALL>,
<&mstp10_clks R8A7790_CLK_SSI_ALL>, <&mstp10_clks R8A7790_CLK_SSI_ALL>,
<&mstp10_clks R8A7790_CLK_SSI_ALL>, <&mstp10_clks R8A7790_CLK_SSI_ALL>,
<&p_clk>,
<&mstp10_clks R8A7790_CLK_SCU_ALL>, <&mstp10_clks R8A7790_CLK_SCU_ALL>,
<&mstp10_clks R8A7790_CLK_SCU_ALL>, <&mstp10_clks R8A7790_CLK_SCU_ALL>,

2
arch/arm/boot/dts/r8a7791-koelsch.dts
View File

@ -280,7 +280,7 @@ hdmi_con: endpoint {
x2_clk: x2-clock {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <148500000>;
clock-frequency = <74250000>;
};
x13_clk: x13-clock {

7
arch/arm/boot/dts/r8a7791.dtsi
View File

@ -1374,8 +1374,11 @@ mstp10_clks: mstp10_clks@e6150998 {
compatible = "renesas,r8a7791-mstp-clocks", "renesas,cpg-mstp-clocks";
reg = <0 0xe6150998 0 4>, <0 0xe61509a8 0 4>;
clocks = <&p_clk>,
<&p_clk>, <&p_clk>, <&p_clk>, <&p_clk>, <&p_clk>,
<&p_clk>, <&p_clk>, <&p_clk>, <&p_clk>, <&p_clk>,
<&mstp10_clks R8A7791_CLK_SSI_ALL>, <&mstp10_clks R8A7791_CLK_SSI_ALL>,
<&mstp10_clks R8A7791_CLK_SSI_ALL>, <&mstp10_clks R8A7791_CLK_SSI_ALL>,
<&mstp10_clks R8A7791_CLK_SSI_ALL>, <&mstp10_clks R8A7791_CLK_SSI_ALL>,
<&mstp10_clks R8A7791_CLK_SSI_ALL>, <&mstp10_clks R8A7791_CLK_SSI_ALL>,
<&mstp10_clks R8A7791_CLK_SSI_ALL>, <&mstp10_clks R8A7791_CLK_SSI_ALL>,
<&p_clk>,
<&mstp10_clks R8A7791_CLK_SCU_ALL>, <&mstp10_clks R8A7791_CLK_SCU_ALL>,
<&mstp10_clks R8A7791_CLK_SCU_ALL>, <&mstp10_clks R8A7791_CLK_SCU_ALL>,

11
arch/arm/kernel/ftrace.c
View File

@ -29,11 +29,6 @@
#endif
#ifdef CONFIG_DYNAMIC_FTRACE
#ifdef CONFIG_OLD_MCOUNT
#define OLD_MCOUNT_ADDR ((unsigned long) mcount)
#define OLD_FTRACE_ADDR ((unsigned long) ftrace_caller_old)
#define OLD_NOP 0xe1a00000 /* mov r0, r0 */
static int __ftrace_modify_code(void *data)
{
@ -51,6 +46,12 @@ void arch_ftrace_update_code(int command)
stop_machine(__ftrace_modify_code, &command, NULL);
}
#ifdef CONFIG_OLD_MCOUNT
#define OLD_MCOUNT_ADDR ((unsigned long) mcount)
#define OLD_FTRACE_ADDR ((unsigned long) ftrace_caller_old)
#define OLD_NOP 0xe1a00000 /* mov r0, r0 */
static unsigned long ftrace_nop_replace(struct dyn_ftrace *rec)
{
return rec->arch.old_mcount ? OLD_NOP : NOP;

4
arch/arm/mach-mvebu/Kconfig
View File

@ -37,7 +37,7 @@ config MACH_ARMADA_370
config MACH_ARMADA_375
bool "Marvell Armada 375 boards" if ARCH_MULTI_V7
select ARM_ERRATA_720789
select ARM_ERRATA_753970
select PL310_ERRATA_753970
select ARM_GIC
select ARMADA_375_CLK
select HAVE_ARM_SCU
@ -52,7 +52,7 @@ config MACH_ARMADA_375
config MACH_ARMADA_38X
bool "Marvell Armada 380/385 boards" if ARCH_MULTI_V7
select ARM_ERRATA_720789
select ARM_ERRATA_753970
select PL310_ERRATA_753970
select ARM_GIC
select ARMADA_38X_CLK
select HAVE_ARM_SCU

2
arch/arm/mach-omap2/clockdomains7xx_data.c
View File

@ -524,7 +524,7 @@ static struct clockdomain pcie_7xx_clkdm = {
.dep_bit = DRA7XX_PCIE_STATDEP_SHIFT,
.wkdep_srcs = pcie_wkup_sleep_deps,
.sleepdep_srcs = pcie_wkup_sleep_deps,
.flags = CLKDM_CAN_HWSUP_SWSUP,
.flags = CLKDM_CAN_SWSUP,
};
static struct clockdomain atl_7xx_clkdm = {

2
arch/arm/mach-omap2/omap-secure.c
View File

@ -73,6 +73,7 @@ phys_addr_t omap_secure_ram_mempool_base(void)
return omap_secure_memblock_base;
}
#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
u32 omap3_save_secure_ram(void __iomem *addr, int size)
{
u32 ret;
@ -91,6 +92,7 @@ u32 omap3_save_secure_ram(void __iomem *addr, int size)
return ret;
}
#endif
/**
* rx51_secure_dispatcher: Routine to dispatch secure PPA API calls

12
arch/arm64/mm/mmu.c
View File

@ -880,3 +880,15 @@ int pmd_clear_huge(pmd_t *pmd)
pmd_clear(pmd);
return 1;
}
#ifdef CONFIG_HAVE_ARCH_HUGE_VMAP
int pud_free_pmd_page(pud_t *pud)
{
return pud_none(*pud);
}
int pmd_free_pte_page(pmd_t *pmd)
{
return pmd_none(*pmd);
}
#endif

4
arch/ia64/kernel/module.c
View File

@ -153,7 +153,7 @@ slot (const struct insn *insn)
static int
apply_imm64 (struct module *mod, struct insn *insn, uint64_t val)
{
if (slot(insn) != 2) {
if (slot(insn) != 1 && slot(insn) != 2) {
printk(KERN_ERR "%s: invalid slot number %d for IMM64\n",
mod->name, slot(insn));
return 0;
@ -165,7 +165,7 @@ apply_imm64 (struct module *mod, struct insn *insn, uint64_t val)
static int
apply_imm60 (struct module *mod, struct insn *insn, uint64_t val)
{
if (slot(insn) != 2) {
if (slot(insn) != 1 && slot(insn) != 2) {
printk(KERN_ERR "%s: invalid slot number %d for IMM60\n",
mod->name, slot(insn));
return 0;

2
arch/mips/ath25/board.c
View File

@ -135,6 +135,8 @@ int __init ath25_find_config(phys_addr_t base, unsigned long size)
}
board_data = kzalloc(BOARD_CONFIG_BUFSZ, GFP_KERNEL);
if (!board_data)
goto error;
ath25_board.config = (struct ath25_boarddata *)board_data;
memcpy_fromio(board_data, bcfg, 0x100);
if (broken_boarddata) {

2
arch/mips/cavium-octeon/octeon-irq.c
View File

@ -2246,6 +2246,8 @@ static int __init octeon_irq_init_cib(struct device_node *ciu_node,
}
host_data = kzalloc(sizeof(*host_data), GFP_KERNEL);
if (!host_data)
return -ENOMEM;
raw_spin_lock_init(&host_data->lock);
addr = of_get_address(ciu_node, 0, NULL, NULL);

8
arch/mips/kernel/smp-bmips.c
View File

@ -166,11 +166,11 @@ static void bmips_prepare_cpus(unsigned int max_cpus)
return;
}
if (request_irq(IPI0_IRQ, bmips_ipi_interrupt, IRQF_PERCPU,
"smp_ipi0", NULL))
if (request_irq(IPI0_IRQ, bmips_ipi_interrupt,
IRQF_PERCPU | IRQF_NO_SUSPEND, "smp_ipi0", NULL))
panic("Can't request IPI0 interrupt");
if (request_irq(IPI1_IRQ, bmips_ipi_interrupt, IRQF_PERCPU,
"smp_ipi1", NULL))
if (request_irq(IPI1_IRQ, bmips_ipi_interrupt,
IRQF_PERCPU | IRQF_NO_SUSPEND, "smp_ipi1", NULL))
panic("Can't request IPI1 interrupt");
}

16
arch/mips/net/bpf_jit.c
View File

@ -527,7 +527,8 @@ static void save_bpf_jit_regs(struct jit_ctx *ctx, unsigned offset)
u32 sflags, tmp_flags;
/* Adjust the stack pointer */
emit_stack_offset(-align_sp(offset), ctx);
if (offset)
emit_stack_offset(-align_sp(offset), ctx);
tmp_flags = sflags = ctx->flags >> SEEN_SREG_SFT;
/* sflags is essentially a bitmap */
@ -579,7 +580,8 @@ static void restore_bpf_jit_regs(struct jit_ctx *ctx,
emit_load_stack_reg(r_ra, r_sp, real_off, ctx);
/* Restore the sp and discard the scrach memory */
emit_stack_offset(align_sp(offset), ctx);
if (offset)
emit_stack_offset(align_sp(offset), ctx);
}
static unsigned int get_stack_depth(struct jit_ctx *ctx)
@ -626,8 +628,14 @@ static void build_prologue(struct jit_ctx *ctx)
if (ctx->flags & SEEN_X)
emit_jit_reg_move(r_X, r_zero, ctx);
/* Do not leak kernel data to userspace */
if (bpf_needs_clear_a(&ctx->skf->insns[0]))
/*
* Do not leak kernel data to userspace, we only need to clear
* r_A if it is ever used. In fact if it is never used, we
* will not save/restore it, so clearing it in this case would
* corrupt the state of the caller.
*/
if (bpf_needs_clear_a(&ctx->skf->insns[0]) &&
(ctx->flags & SEEN_A))
emit_jit_reg_move(r_A, r_zero, ctx);
}

23
arch/mips/net/bpf_jit_asm.S
View File

@ -90,18 +90,14 @@ FEXPORT(sk_load_half_positive)
is_offset_in_header(2, half)
/* Offset within header boundaries */
PTR_ADDU t1, $r_skb_data, offset
.set reorder
lh $r_A, 0(t1)
.set noreorder
lhu $r_A, 0(t1)
#ifdef CONFIG_CPU_LITTLE_ENDIAN
# if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
wsbh t0, $r_A
seh $r_A, t0
wsbh $r_A, $r_A
# else
sll t0, $r_A, 24
andi t1, $r_A, 0xff00
sra t0, t0, 16
srl t1, t1, 8
sll t0, $r_A, 8
srl t1, $r_A, 8
andi t0, t0, 0xff00
or $r_A, t0, t1
# endif
#endif
@ -115,7 +111,7 @@ FEXPORT(sk_load_byte_positive)
is_offset_in_header(1, byte)
/* Offset within header boundaries */
PTR_ADDU t1, $r_skb_data, offset
lb $r_A, 0(t1)
lbu $r_A, 0(t1)
jr $r_ra
move $r_ret, zero
END(sk_load_byte)
@ -139,6 +135,11 @@ FEXPORT(sk_load_byte_positive)
* (void *to) is returned in r_s0
*
*/
#ifdef CONFIG_CPU_LITTLE_ENDIAN
#define DS_OFFSET(SIZE) (4 * SZREG)
#else
#define DS_OFFSET(SIZE) ((4 * SZREG) + (4 - SIZE))
#endif
#define bpf_slow_path_common(SIZE) \
/* Quick check. Are we within reasonable boundaries? */ \
LONG_ADDIU $r_s1, $r_skb_len, -SIZE; \
@ -150,7 +151,7 @@ FEXPORT(sk_load_byte_positive)
PTR_LA t0, skb_copy_bits; \
PTR_S $r_ra, (5 * SZREG)($r_sp); \
/* Assign low slot to a2 */ \
move a2, $r_sp; \
PTR_ADDIU a2, $r_sp, DS_OFFSET(SIZE); \
jalr t0; \
/* Reset our destination slot (DS but it's ok) */ \
INT_S zero, (4 * SZREG)($r_sp); \

7
arch/mips/ralink/reset.c
View File

@ -96,16 +96,9 @@ static void ralink_restart(char *command)
unreachable();
}
static void ralink_halt(void)
{
local_irq_disable();
unreachable();
}
static int __init mips_reboot_setup(void)
{
_machine_restart = ralink_restart;
_machine_halt = ralink_halt;
return 0;
}

5
arch/powerpc/kvm/book3s_64_mmu_host.c
View File

@ -177,12 +177,15 @@ int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte,
ret = ppc_md.hpte_insert(hpteg, vpn, hpaddr, rflags, vflags,
hpsize, hpsize, MMU_SEGSIZE_256M);
if (ret < 0) {
if (ret == -1) {
/* If we couldn't map a primary PTE, try a secondary */
hash = ~hash;
vflags ^= HPTE_V_SECONDARY;
attempt++;
goto map_again;
} else if (ret < 0) {
r = -EIO;
goto out_unlock;
} else {
trace_kvm_book3s_64_mmu_map(rflags, hpteg,
vpn, hpaddr, orig_pte);

6
arch/powerpc/kvm/book3s_pr.c
View File

@ -625,7 +625,11 @@ int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu,
kvmppc_mmu_unmap_page(vcpu, &pte);
}
/* The guest's PTE is not mapped yet. Map on the host */
kvmppc_mmu_map_page(vcpu, &pte, iswrite);
if (kvmppc_mmu_map_page(vcpu, &pte, iswrite) == -EIO) {
/* Exit KVM if mapping failed */
run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
return RESUME_HOST;
}
if (data)
vcpu->stat.sp_storage++;
else if (vcpu->arch.mmu.is_dcbz32(vcpu) &&

2
arch/powerpc/mm/fault.c
View File

@ -294,7 +294,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
* can result in fault, which will cause a deadlock when called with
* mmap_sem held
*/
if (user_mode(regs))
if (!is_exec && user_mode(regs))
store_update_sp = store_updates_sp(regs);
if (user_mode(regs))

9
arch/x86/Makefile
View File

@ -200,6 +200,15 @@ KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr)
LDFLAGS := -m elf_$(UTS_MACHINE)
#
# The 64-bit kernel must be aligned to 2MB. Pass -z max-page-size=0x200000 to
# the linker to force 2MB page size regardless of the default page size used
# by the linker.
#
ifdef CONFIG_X86_64
LDFLAGS += $(call ld-option, -z max-page-size=0x200000)
endif
# Speed up the build
KBUILD_CFLAGS += -pipe
# Workaround for a gcc prelease that unfortunately was shipped in a suse release

4
arch/x86/boot/compressed/misc.c
View File

@ -366,6 +366,10 @@ static void parse_elf(void *output)
switch (phdr->p_type) {
case PT_LOAD:
#ifdef CONFIG_X86_64
if ((phdr->p_align % 0x200000) != 0)
error("Alignment of LOAD segment isn't multiple of 2MB");
#endif
#ifdef CONFIG_RELOCATABLE
dest = output;
dest += (phdr->p_paddr - LOAD_PHYSICAL_ADDR);

18
arch/x86/entry/entry_64.S
View File

@ -178,12 +178,14 @@ GLOBAL(entry_SYSCALL_64_after_swapgs)
jnz tracesys
entry_SYSCALL_64_fastpath:
#if __SYSCALL_MASK == ~0
cmpq $__NR_syscall_max, %rax
cmpq $NR_syscalls, %rax
#else
andl $__SYSCALL_MASK, %eax
cmpl $__NR_syscall_max, %eax
cmpl $NR_syscalls, %eax
#endif
ja 1f /* return -ENOSYS (already in pt_regs->ax) */
jae 1f /* return -ENOSYS (already in pt_regs->ax) */
sbb %rcx, %rcx /* array_index_mask_nospec() */
and %rcx, %rax
movq %r10, %rcx
#ifdef CONFIG_RETPOLINE
movq sys_call_table(, %rax, 8), %rax
@ -276,12 +278,14 @@ tracesys_phase2:
RESTORE_C_REGS_EXCEPT_RAX
RESTORE_EXTRA_REGS
#if __SYSCALL_MASK == ~0
cmpq $__NR_syscall_max, %rax
cmpq $NR_syscalls, %rax
#else
andl $__SYSCALL_MASK, %eax
cmpl $__NR_syscall_max, %eax
cmpl $NR_syscalls, %eax
#endif
ja 1f /* return -ENOSYS (already in pt_regs->ax) */
jae 1f /* return -ENOSYS (already in pt_regs->ax) */
sbb %rcx, %rcx /* array_index_mask_nospec() */
and %rcx, %rax
movq %r10, %rcx /* fixup for C */
#ifdef CONFIG_RETPOLINE
movq sys_call_table(, %rax, 8), %rax
@ -1020,7 +1024,7 @@ apicinterrupt3 HYPERVISOR_CALLBACK_VECTOR \
#endif /* CONFIG_HYPERV */
idtentry debug do_debug has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK
idtentry int3 do_int3 has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK
idtentry int3 do_int3 has_error_code=0
idtentry stack_segment do_stack_segment has_error_code=1
#ifdef CONFIG_XEN

37
arch/x86/include/asm/nospec-branch.h
View File

@ -195,4 +195,41 @@ static inline void vmexit_fill_RSB(void)
}
#endif /* __ASSEMBLY__ */
/*
* Below is used in the eBPF JIT compiler and emits the byte sequence
* for the following assembly:
*
* With retpolines configured:
*
* callq do_rop
* spec_trap:
* pause
* lfence
* jmp spec_trap
* do_rop:
* mov %rax,(%rsp)
* retq
*
* Without retpolines configured:
*
* jmp *%rax
*/
#ifdef CONFIG_RETPOLINE
# define RETPOLINE_RAX_BPF_JIT_SIZE 17
# define RETPOLINE_RAX_BPF_JIT() \
EMIT1_off32(0xE8, 7); /* callq do_rop */ \
/* spec_trap: */ \
EMIT2(0xF3, 0x90); /* pause */ \
EMIT3(0x0F, 0xAE, 0xE8); /* lfence */ \
EMIT2(0xEB, 0xF9); /* jmp spec_trap */ \
/* do_rop: */ \
EMIT4(0x48, 0x89, 0x04, 0x24); /* mov %rax,(%rsp) */ \
EMIT1(0xC3); /* retq */
#else
# define RETPOLINE_RAX_BPF_JIT_SIZE 2
# define RETPOLINE_RAX_BPF_JIT() \
EMIT2(0xFF, 0xE0); /* jmp *%rax */
#endif
#endif /* _ASM_X86_NOSPEC_BRANCH_H_ */

1
arch/x86/include/asm/vmx.h
View File

@ -310,6 +310,7 @@ enum vmcs_field {
#define INTR_TYPE_NMI_INTR (2 << 8) /* NMI */
#define INTR_TYPE_HARD_EXCEPTION (3 << 8) /* processor exception */
#define INTR_TYPE_SOFT_INTR (4 << 8) /* software interrupt */
#define INTR_TYPE_PRIV_SW_EXCEPTION (5 << 8) /* ICE breakpoint - undocumented */
#define INTR_TYPE_SOFT_EXCEPTION (6 << 8) /* software exception */
/* GUEST_INTERRUPTIBILITY_INFO flags. */

14
arch/x86/kernel/apic/vector.c
View File

@ -91,8 +91,12 @@ static struct apic_chip_data *alloc_apic_chip_data(int node)
return NULL;
}
static void free_apic_chip_data(struct apic_chip_data *data)
static void free_apic_chip_data(unsigned int virq, struct apic_chip_data *data)
{
#ifdef CONFIG_X86_IO_APIC
if (virq < nr_legacy_irqs())
legacy_irq_data[virq] = NULL;
#endif
if (data) {
free_cpumask_var(data->domain);
free_cpumask_var(data->old_domain);
@ -316,11 +320,7 @@ static void x86_vector_free_irqs(struct irq_domain *domain,
apic_data = irq_data->chip_data;
irq_domain_reset_irq_data(irq_data);
raw_spin_unlock_irqrestore(&vector_lock, flags);
free_apic_chip_data(apic_data);
#ifdef CONFIG_X86_IO_APIC
if (virq + i < nr_legacy_irqs())
legacy_irq_data[virq + i] = NULL;
#endif
free_apic_chip_data(virq + i, apic_data);
}
}
}
@ -361,7 +361,7 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq,
err = assign_irq_vector_policy(virq + i, node, data, info);
if (err) {
irq_data->chip_data = NULL;
free_apic_chip_data(data);
free_apic_chip_data(virq + i, data);
goto error;
}
}

3
arch/x86/kernel/cpu/bugs.c
View File

@ -175,8 +175,7 @@ static enum spectre_v2_mitigation_cmd __init spectre_v2_parse_cmdline(void)
}
if (i >= ARRAY_SIZE(mitigation_options)) {
pr_err("unknown option (%s). Switching to AUTO select\n",
mitigation_options[i].option);
pr_err("unknown option (%s). Switching to AUTO select\n", arg);
return SPECTRE_V2_CMD_AUTO;
}
}

22
arch/x86/kernel/cpu/mcheck/mce.c
View File

@ -60,6 +60,9 @@ static DEFINE_MUTEX(mce_chrdev_read_mutex);
smp_load_acquire(&(p)); \
})
/* sysfs synchronization */
static DEFINE_MUTEX(mce_sysfs_mutex);
#define CREATE_TRACE_POINTS
#include <trace/events/mce.h>
@ -2220,6 +2223,7 @@ static ssize_t set_ignore_ce(struct device *s,
if (kstrtou64(buf, 0, &new) < 0)
return -EINVAL;
mutex_lock(&mce_sysfs_mutex);
if (mca_cfg.ignore_ce ^ !!new) {
if (new) {
/* disable ce features */
@ -2232,6 +2236,8 @@ static ssize_t set_ignore_ce(struct device *s,
on_each_cpu(mce_enable_ce, (void *)1, 1);
}
}
mutex_unlock(&mce_sysfs_mutex);
return size;
}
@ -2244,6 +2250,7 @@ static ssize_t set_cmci_disabled(struct device *s,
if (kstrtou64(buf, 0, &new) < 0)
return -EINVAL;
mutex_lock(&mce_sysfs_mutex);
if (mca_cfg.cmci_disabled ^ !!new) {
if (new) {
/* disable cmci */
@ -2255,6 +2262,8 @@ static ssize_t set_cmci_disabled(struct device *s,
on_each_cpu(mce_enable_ce, NULL, 1);
}
}
mutex_unlock(&mce_sysfs_mutex);
return size;
}
@ -2262,8 +2271,19 @@ static ssize_t store_int_with_restart(struct device *s,
struct device_attribute *attr,
const char *buf, size_t size)
{
ssize_t ret = device_store_int(s, attr, buf, size);
unsigned long old_check_interval = check_interval;
ssize_t ret = device_store_ulong(s, attr, buf, size);
if (check_interval == old_check_interval)
return ret;
if (check_interval < 1)
check_interval = 1;
mutex_lock(&mce_sysfs_mutex);
mce_restart();
mutex_unlock(&mce_sysfs_mutex);
return ret;
}

2
arch/x86/kernel/cpu/perf_event_intel.c
View File

@ -2716,7 +2716,7 @@ static unsigned bdw_limit_period(struct perf_event *event, unsigned left)
X86_CONFIG(.event=0xc0, .umask=0x01)) {
if (left < 128)
left = 128;
left &= ~0x3fu;
left &= ~0x3fULL;
}
return left;
}

1
arch/x86/kernel/i8259.c
View File

@ -418,6 +418,7 @@ struct legacy_pic default_legacy_pic = {
};
struct legacy_pic *legacy_pic = &default_legacy_pic;
EXPORT_SYMBOL(legacy_pic);
static int __init i8259A_init_ops(void)
{

6
arch/x86/kernel/kprobes/core.c
View File

@ -196,6 +196,8 @@ int can_boost(kprobe_opcode_t *opcodes, void *addr)
return (opcode != 0x62 && opcode != 0x67);
case 0x70:
return 0; /* can't boost conditional jump */
case 0x90:
return opcode != 0x9a; /* can't boost call far */
case 0xc0:
/* can't boost software-interruptions */
return (0xc1 < opcode && opcode < 0xcc) || opcode == 0xcf;
@ -404,6 +406,8 @@ static int arch_copy_kprobe(struct kprobe *p)
{
int ret;
set_memory_rw((unsigned long)p->ainsn.insn & PAGE_MASK, 1);
/* Copy an instruction with recovering if other optprobe modifies it.*/
ret = __copy_instruction(p->ainsn.insn, p->addr);
if (!ret)
@ -418,6 +422,8 @@ static int arch_copy_kprobe(struct kprobe *p)
else
p->ainsn.boostable = -1;
set_memory_ro((unsigned long)p->ainsn.insn & PAGE_MASK, 1);
/* Check whether the instruction modifies Interrupt Flag or not */
p->ainsn.if_modifier = is_IF_modifier(p->ainsn.insn);

3
arch/x86/kernel/kprobes/opt.c
View File

@ -370,6 +370,7 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op,
}
buf = (u8 *)op->optinsn.insn;
set_memory_rw((unsigned long)buf & PAGE_MASK, 1);
/* Copy instructions into the out-of-line buffer */
ret = copy_optimized_instructions(buf + TMPL_END_IDX, op->kp.addr);
@ -392,6 +393,8 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op,
synthesize_reljump(buf + TMPL_END_IDX + op->optinsn.size,
(u8 *)op->kp.addr + op->optinsn.size);
set_memory_ro((unsigned long)buf & PAGE_MASK, 1);
flush_icache_range((unsigned long) buf,
(unsigned long) buf + TMPL_END_IDX +
op->optinsn.size + RELATIVEJUMP_SIZE);

1
arch/x86/kernel/machine_kexec_64.c
View File

@ -519,6 +519,7 @@ int arch_kexec_apply_relocations_add(const Elf64_Ehdr *ehdr,
goto overflow;
break;
case R_X86_64_PC32:
case R_X86_64_PLT32:
value -= (u64)address;
*(u32 *)location = value;
break;

14
arch/x86/kernel/module.c
View File

@ -170,19 +170,28 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
case R_X86_64_NONE:
break;
case R_X86_64_64:
if (*(u64 *)loc != 0)
goto invalid_relocation;
*(u64 *)loc = val;
break;
case R_X86_64_32:
if (*(u32 *)loc != 0)
goto invalid_relocation;
*(u32 *)loc = val;
if (val != *(u32 *)loc)
goto overflow;
break;
case R_X86_64_32S:
if (*(s32 *)loc != 0)
goto invalid_relocation;
*(s32 *)loc = val;
if ((s64)val != *(s32 *)loc)
goto overflow;
break;
case R_X86_64_PC32:
case R_X86_64_PLT32:
if (*(u32 *)loc != 0)
goto invalid_relocation;
val -= (u64)loc;
*(u32 *)loc = val;
#if 0
@ -198,6 +207,11 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
}
return 0;
invalid_relocation:
pr_err("x86/modules: Skipping invalid relocation target, existing value is nonzero for type %d, loc %p, val %Lx\n",
(int)ELF64_R_TYPE(rel[i].r_info), loc, val);
return -ENOEXEC;
overflow:
pr_err("overflow in relocation type %d val %Lx\n",
(int)ELF64_R_TYPE(rel[i].r_info), val);

24
arch/x86/kernel/traps.c
View File

@ -480,7 +480,6 @@ do_general_protection(struct pt_regs *regs, long error_code)
}
NOKPROBE_SYMBOL(do_general_protection);
/* May run on IST stack. */
dotraplinkage void notrace do_int3(struct pt_regs *regs, long error_code)
{
#ifdef CONFIG_DYNAMIC_FTRACE
@ -495,7 +494,15 @@ dotraplinkage void notrace do_int3(struct pt_regs *regs, long error_code)
if (poke_int3_handler(regs))
return;
/*
* Use ist_enter despite the fact that we don't use an IST stack.
* We can be called from a kprobe in non-CONTEXT_KERNEL kernel
* mode or even during context tracking state changes.
*
* This means that we can't schedule. That's okay.
*/
ist_enter(regs);
RCU_LOCKDEP_WARN(!rcu_is_watching(), "entry code didn't wake RCU");
#ifdef CONFIG_KGDB_LOW_LEVEL_TRAP
if (kgdb_ll_trap(DIE_INT3, "int3", regs, error_code, X86_TRAP_BP,
@ -512,15 +519,9 @@ dotraplinkage void notrace do_int3(struct pt_regs *regs, long error_code)
SIGTRAP) == NOTIFY_STOP)
goto exit;
/*
* Let others (NMI) know that the debug stack is in use
* as we may switch to the interrupt stack.
*/
debug_stack_usage_inc();
preempt_conditional_sti(regs);
do_trap(X86_TRAP_BP, SIGTRAP, "int3", regs, error_code, NULL);
preempt_conditional_cli(regs);
debug_stack_usage_dec();
exit:
ist_exit(regs);
}
@ -886,19 +887,16 @@ void __init trap_init(void)
cpu_init();
/*
* X86_TRAP_DB and X86_TRAP_BP have been set
* in early_trap_init(). However, ITS works only after
* cpu_init() loads TSS. See comments in early_trap_init().
* X86_TRAP_DB was installed in early_trap_init(). However,
* IST works only after cpu_init() loads TSS. See comments
* in early_trap_init().
*/
set_intr_gate_ist(X86_TRAP_DB, &debug, DEBUG_STACK);
/* int3 can be called from all */
set_system_intr_gate_ist(X86_TRAP_BP, &int3, DEBUG_STACK);
x86_init.irqs.trap_init();
#ifdef CONFIG_X86_64
memcpy(&debug_idt_table, &idt_table, IDT_ENTRIES * 16);
set_nmi_gate(X86_TRAP_DB, &debug);
set_nmi_gate(X86_TRAP_BP, &int3);
#endif
}

3
arch/x86/kernel/vm86_32.c
View File

@ -715,7 +715,8 @@ void handle_vm86_fault(struct kernel_vm86_regs *regs, long error_code)
return;
check_vip:
if (VEFLAGS & X86_EFLAGS_VIP) {
if ((VEFLAGS & (X86_EFLAGS_VIP | X86_EFLAGS_VIF)) ==
(X86_EFLAGS_VIP | X86_EFLAGS_VIF)) {
save_v86_state(regs, VM86_STI);
return;
}

9
arch/x86/kvm/vmx.c
View File

@ -1011,6 +1011,13 @@ static inline bool is_machine_check(u32 intr_info)
(INTR_TYPE_HARD_EXCEPTION | MC_VECTOR | INTR_INFO_VALID_MASK);
}
/* Undocumented: icebp/int1 */
static inline bool is_icebp(u32 intr_info)
{
return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VALID_MASK))
== (INTR_TYPE_PRIV_SW_EXCEPTION | INTR_INFO_VALID_MASK);
}
static inline bool cpu_has_vmx_msr_bitmap(void)
{
return vmcs_config.cpu_based_exec_ctrl & CPU_BASED_USE_MSR_BITMAPS;
@ -5333,7 +5340,7 @@ static int handle_exception(struct kvm_vcpu *vcpu)
(KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP))) {
vcpu->arch.dr6 &= ~15;
vcpu->arch.dr6 |= dr6 | DR6_RTM;
if (!(dr6 & ~DR6_RESERVED)) /* icebp */
if (is_icebp(intr_info))
skip_emulated_instruction(vcpu);
kvm_queue_exception(vcpu, DB_VECTOR);

6
arch/x86/mm/fault.c
View File

@ -287,7 +287,7 @@ static noinline int vmalloc_fault(unsigned long address)
if (!pmd_k)
return -1;
if (pmd_huge(*pmd_k))
if (pmd_large(*pmd_k))
return 0;
pte_k = pte_offset_kernel(pmd_k, address);
@ -407,7 +407,7 @@ static noinline int vmalloc_fault(unsigned long address)
if (pud_none(*pud) || pud_pfn(*pud) != pud_pfn(*pud_ref))
BUG();
if (pud_huge(*pud))
if (pud_large(*pud))
return 0;
pmd = pmd_offset(pud, address);
@ -418,7 +418,7 @@ static noinline int vmalloc_fault(unsigned long address)
if (pmd_none(*pmd) || pmd_pfn(*pmd) != pmd_pfn(*pmd_ref))
BUG();
if (pmd_huge(*pmd))
if (pmd_large(*pmd))
return 0;
pte_ref = pte_offset_kernel(pmd_ref, address);

48
arch/x86/mm/pgtable.c
View File

@ -666,4 +666,52 @@ int pmd_clear_huge(pmd_t *pmd)
return 0;
}
/**
* pud_free_pmd_page - Clear pud entry and free pmd page.
* @pud: Pointer to a PUD.
*
* Context: The pud range has been unmaped and TLB purged.
* Return: 1 if clearing the entry succeeded. 0 otherwise.
*/
int pud_free_pmd_page(pud_t *pud)
{
pmd_t *pmd;
int i;
if (pud_none(*pud))
return 1;
pmd = (pmd_t *)pud_page_vaddr(*pud);
for (i = 0; i < PTRS_PER_PMD; i++)
if (!pmd_free_pte_page(&pmd[i]))
return 0;
pud_clear(pud);
free_page((unsigned long)pmd);
return 1;
}
/**
* pmd_free_pte_page - Clear pmd entry and free pte page.
* @pmd: Pointer to a PMD.
*
* Context: The pmd range has been unmaped and TLB purged.
* Return: 1 if clearing the entry succeeded. 0 otherwise.
*/
int pmd_free_pte_page(pmd_t *pmd)
{
pte_t *pte;
if (pmd_none(*pmd))
return 1;
pte = (pte_t *)pmd_page_vaddr(*pmd);
pmd_clear(pmd);
free_page((unsigned long)pte);
return 1;
}
#endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */

12
arch/x86/net/bpf_jit_comp.c
View File

@ -12,6 +12,7 @@
#include <linux/filter.h>
#include <linux/if_vlan.h>
#include <asm/cacheflush.h>
#include <asm/nospec-branch.h>
#include <linux/bpf.h>
int bpf_jit_enable __read_mostly;
@ -269,7 +270,7 @@ static void emit_bpf_tail_call(u8 **pprog)
EMIT2(0x89, 0xD2); /* mov edx, edx */
EMIT3(0x39, 0x56, /* cmp dword ptr [rsi + 16], edx */
offsetof(struct bpf_array, map.max_entries));
#define OFFSET1 43 /* number of bytes to jump */
#define OFFSET1 (41 + RETPOLINE_RAX_BPF_JIT_SIZE) /* number of bytes to jump */
EMIT2(X86_JBE, OFFSET1); /* jbe out */
label1 = cnt;
@ -278,7 +279,7 @@ static void emit_bpf_tail_call(u8 **pprog)
*/
EMIT2_off32(0x8B, 0x85, -STACKSIZE + 36); /* mov eax, dword ptr [rbp - 516] */
EMIT3(0x83, 0xF8, MAX_TAIL_CALL_CNT); /* cmp eax, MAX_TAIL_CALL_CNT */
#define OFFSET2 32
#define OFFSET2 (30 + RETPOLINE_RAX_BPF_JIT_SIZE)
EMIT2(X86_JA, OFFSET2); /* ja out */
label2 = cnt;
EMIT3(0x83, 0xC0, 0x01); /* add eax, 1 */
@ -292,7 +293,7 @@ static void emit_bpf_tail_call(u8 **pprog)
* goto out;
*/
EMIT3(0x48, 0x85, 0xC0); /* test rax,rax */
#define OFFSET3 10
#define OFFSET3 (8 + RETPOLINE_RAX_BPF_JIT_SIZE)
EMIT2(X86_JE, OFFSET3); /* je out */
label3 = cnt;
@ -305,7 +306,7 @@ static void emit_bpf_tail_call(u8 **pprog)
* rdi == ctx (1st arg)
* rax == prog->bpf_func + prologue_size
*/
EMIT2(0xFF, 0xE0); /* jmp rax */
RETPOLINE_RAX_BPF_JIT();
/* out: */
BUILD_BUG_ON(cnt - label1 != OFFSET1);
@ -1076,7 +1077,7 @@ void bpf_int_jit_compile(struct bpf_prog *prog)
* may converge on the last pass. In such case do one more
* pass to emit the final image
*/
for (pass = 0; pass < 10 || image; pass++) {
for (pass = 0; pass < 20 || image; pass++) {
proglen = do_jit(prog, addrs, image, oldproglen, &ctx);
if (proglen <= 0) {
image = NULL;
@ -1099,6 +1100,7 @@ void bpf_int_jit_compile(struct bpf_prog *prog)
goto out;
}
oldproglen = proglen;
cond_resched();
}
if (bpf_jit_enable > 1)

3
arch/x86/tools/relocs.c
View File

@ -769,9 +769,12 @@ static int do_reloc64(struct section *sec, Elf_Rel *rel, ElfW(Sym) *sym,
break;
case R_X86_64_PC32:
case R_X86_64_PLT32:
/*
* PC relative relocations don't need to be adjusted unless
* referencing a percpu symbol.
*
* NB: R_X86_64_PLT32 can be treated as R_X86_64_PC32.
*/
if (is_percpu_sym(sym, symname))
add_reloc(&relocs32neg, offset);

4
block/blk-cgroup.c
View File

@ -1078,10 +1078,8 @@ int blkcg_init_queue(struct request_queue *q)
if (preloaded)
radix_tree_preload_end();
if (IS_ERR(blkg)) {
blkg_free(new_blkg);
if (IS_ERR(blkg))
return PTR_ERR(blkg);
}
q->root_blkg = blkg;
q->root_rl.blkg = blkg;

11
block/blk-throttle.c
View File

@ -505,6 +505,17 @@ static void throtl_dequeue_tg(struct throtl_grp *tg)
static void throtl_schedule_pending_timer(struct throtl_service_queue *sq,
unsigned long expires)
{
unsigned long max_expire = jiffies + 8 * throtl_slice;
/*
* Since we are adjusting the throttle limit dynamically, the sleep
* time calculated according to previous limit might be invalid. It's
* possible the cgroup sleep time is very long and no other cgroups
* have IO running so notify the limit changes. Make sure the cgroup
* doesn't sleep too long to avoid the missed notification.
*/
if (time_after(expires, max_expire))
expires = max_expire;
mod_timer(&sq->pending_timer, expires);
throtl_log(sq, "schedule timer. delay=%lu jiffies=%lu",
expires - jiffies, jiffies);

10
drivers/acpi/numa.c
View File

@ -103,25 +103,27 @@ int acpi_map_pxm_to_node(int pxm)
*/
int acpi_map_pxm_to_online_node(int pxm)
{
int node, n, dist, min_dist;
int node, min_node;
node = acpi_map_pxm_to_node(pxm);
if (node == NUMA_NO_NODE)
node = 0;
min_node = node;
if (!node_online(node)) {
min_dist = INT_MAX;
int min_dist = INT_MAX, dist, n;
for_each_online_node(n) {
dist = node_distance(node, n);
if (dist < min_dist) {
min_dist = dist;
node = n;
min_node = n;
}
}
}
return node;
return min_node;
}
EXPORT_SYMBOL(acpi_map_pxm_to_online_node);

54
drivers/acpi/pmic/intel_pmic_xpower.c
View File

@ -28,97 +28,97 @@ static struct pmic_table power_table[] = {
.address = 0x00,
.reg = 0x13,
.bit = 0x05,
},
}, /* ALD1 */
{
.address = 0x04,
.reg = 0x13,
.bit = 0x06,
},
}, /* ALD2 */
{
.address = 0x08,
.reg = 0x13,
.bit = 0x07,
},
}, /* ALD3 */
{
.address = 0x0c,
.reg = 0x12,
.bit = 0x03,
},
}, /* DLD1 */
{
.address = 0x10,
.reg = 0x12,
.bit = 0x04,
},
}, /* DLD2 */
{
.address = 0x14,
.reg = 0x12,
.bit = 0x05,
},
}, /* DLD3 */
{
.address = 0x18,
.reg = 0x12,
.bit = 0x06,
},
}, /* DLD4 */
{
.address = 0x1c,
.reg = 0x12,
.bit = 0x00,
},
}, /* ELD1 */
{
.address = 0x20,
.reg = 0x12,
.bit = 0x01,
},
}, /* ELD2 */
{
.address = 0x24,
.reg = 0x12,
.bit = 0x02,
},
}, /* ELD3 */
{
.address = 0x28,
.reg = 0x13,
.bit = 0x02,
},
}, /* FLD1 */
{
.address = 0x2c,
.reg = 0x13,
.bit = 0x03,
},
}, /* FLD2 */
{
.address = 0x30,
.reg = 0x13,
.bit = 0x04,
},
}, /* FLD3 */
{
.address = 0x34,
.reg = 0x10,
.bit = 0x03,
}, /* BUC1 */
{
.address = 0x38,
.reg = 0x10,
.bit = 0x03,
},
.bit = 0x06,
}, /* BUC2 */
{
.address = 0x3c,
.reg = 0x10,
.bit = 0x06,
},
.bit = 0x05,
}, /* BUC3 */
{
.address = 0x40,
.reg = 0x10,
.bit = 0x05,
},
.bit = 0x04,
}, /* BUC4 */
{
.address = 0x44,
.reg = 0x10,
.bit = 0x04,
},
.bit = 0x01,
}, /* BUC5 */
{
.address = 0x48,
.reg = 0x10,
.bit = 0x01,
},
{
.address = 0x4c,
.reg = 0x10,
.bit = 0x00
},
}, /* BUC6 */
};
/* TMP0 - TMP5 are the same, all from GPADC */

10
drivers/acpi/processor_driver.c
View File

@ -259,6 +259,9 @@ static int __acpi_processor_start(struct acpi_device *device)
if (ACPI_SUCCESS(status))
return 0;
result = -ENODEV;
acpi_pss_perf_exit(pr, device);
err_power_exit:
acpi_processor_power_exit(pr);
return result;
@ -267,11 +270,16 @@ static int __acpi_processor_start(struct acpi_device *device)
static int acpi_processor_start(struct device *dev)
{
struct acpi_device *device = ACPI_COMPANION(dev);
int ret;
if (!device)
return -ENODEV;
return __acpi_processor_start(device);
/* Protect against concurrent CPU hotplug operations */
get_online_cpus();
ret = __acpi_processor_start(device);
put_online_cpus();
return ret;
}
static int acpi_processor_stop(struct device *dev)

62
drivers/acpi/processor_throttling.c
View File

@ -62,8 +62,8 @@ struct acpi_processor_throttling_arg {
#define THROTTLING_POSTCHANGE (2)
static int acpi_processor_get_throttling(struct acpi_processor *pr);
int acpi_processor_set_throttling(struct acpi_processor *pr,
int state, bool force);
static int __acpi_processor_set_throttling(struct acpi_processor *pr,
int state, bool force, bool direct);
static int acpi_processor_update_tsd_coord(void)
{
@ -891,7 +891,8 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Invalid throttling state, reset\n"));
state = 0;
ret = acpi_processor_set_throttling(pr, state, true);
ret = __acpi_processor_set_throttling(pr, state, true,
true);
if (ret)
return ret;
}
@ -901,36 +902,31 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
return 0;
}
static long __acpi_processor_get_throttling(void *data)
{
struct acpi_processor *pr = data;
return pr->throttling.acpi_processor_get_throttling(pr);
}
static int acpi_processor_get_throttling(struct acpi_processor *pr)
{
cpumask_var_t saved_mask;
int ret;
if (!pr)
return -EINVAL;
if (!pr->flags.throttling)
return -ENODEV;
if (!alloc_cpumask_var(&saved_mask, GFP_KERNEL))
return -ENOMEM;
/*
* Migrate task to the cpu pointed by pr.
* This is either called from the CPU hotplug callback of
* processor_driver or via the ACPI probe function. In the latter
* case the CPU is not guaranteed to be online. Both call sites are
* protected against CPU hotplug.
*/
cpumask_copy(saved_mask, &current->cpus_allowed);
/* FIXME: use work_on_cpu() */
if (set_cpus_allowed_ptr(current, cpumask_of(pr->id))) {
/* Can't migrate to the target pr->id CPU. Exit */
free_cpumask_var(saved_mask);
if (!cpu_online(pr->id))
return -ENODEV;
}
ret = pr->throttling.acpi_processor_get_throttling(pr);
/* restore the previous state */
set_cpus_allowed_ptr(current, saved_mask);
free_cpumask_var(saved_mask);
return ret;
return work_on_cpu(pr->id, __acpi_processor_get_throttling, pr);
}
static int acpi_processor_get_fadt_info(struct acpi_processor *pr)
@ -1080,8 +1076,15 @@ static long acpi_processor_throttling_fn(void *data)
arg->target_state, arg->force);
}
int acpi_processor_set_throttling(struct acpi_processor *pr,
int state, bool force)
static int call_on_cpu(int cpu, long (*fn)(void *), void *arg, bool direct)
{
if (direct)
return fn(arg);
return work_on_cpu(cpu, fn, arg);
}
static int __acpi_processor_set_throttling(struct acpi_processor *pr,
int state, bool force, bool direct)
{
int ret = 0;
unsigned int i;
@ -1130,7 +1133,8 @@ int acpi_processor_set_throttling(struct acpi_processor *pr,
arg.pr = pr;
arg.target_state = state;
arg.force = force;
ret = work_on_cpu(pr->id, acpi_processor_throttling_fn, &arg);
ret = call_on_cpu(pr->id, acpi_processor_throttling_fn, &arg,
direct);
} else {
/*
* When the T-state coordination is SW_ALL or HW_ALL,
@ -1163,8 +1167,8 @@ int acpi_processor_set_throttling(struct acpi_processor *pr,
arg.pr = match_pr;
arg.target_state = state;
arg.force = force;
ret = work_on_cpu(pr->id, acpi_processor_throttling_fn,
&arg);
ret = call_on_cpu(pr->id, acpi_processor_throttling_fn,
&arg, direct);
}
}
/*
@ -1182,6 +1186,12 @@ int acpi_processor_set_throttling(struct acpi_processor *pr,
return ret;
}
int acpi_processor_set_throttling(struct acpi_processor *pr, int state,
bool force)
{
return __acpi_processor_set_throttling(pr, state, force, false);
}
int acpi_processor_get_throttling_info(struct acpi_processor *pr)
{
int result = 0;

4
drivers/ata/ahci.c
View File

@ -538,7 +538,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
.driver_data = board_ahci_yes_fbs },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
.driver_data = board_ahci_yes_fbs },
{ PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642),
{ PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), /* highpoint rocketraid 642L */
.driver_data = board_ahci_yes_fbs },
{ PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0645), /* highpoint rocketraid 644L */
.driver_data = board_ahci_yes_fbs },
/* Promise */

26
drivers/ata/libata-core.c
View File

@ -4224,6 +4224,25 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "PIONEER DVD-RW DVR-212D", NULL, ATA_HORKAGE_NOSETXFER },
{ "PIONEER DVD-RW DVR-216D", NULL, ATA_HORKAGE_NOSETXFER },
/* Crucial BX100 SSD 500GB has broken LPM support */
{ "CT500BX100SSD1", NULL, ATA_HORKAGE_NOLPM },
/* 512GB MX100 with MU01 firmware has both queued TRIM and LPM issues */
{ "Crucial_CT512MX100*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM |
ATA_HORKAGE_NOLPM, },
/* 512GB MX100 with newer firmware has only LPM issues */
{ "Crucial_CT512MX100*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM |
ATA_HORKAGE_NOLPM, },
/* 480GB+ M500 SSDs have both queued TRIM and LPM issues */
{ "Crucial_CT480M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM |
ATA_HORKAGE_NOLPM, },
{ "Crucial_CT960M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM |
ATA_HORKAGE_NOLPM, },
/* devices that don't properly handle queued TRIM commands */
{ "Micron_M500_*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
@ -4235,7 +4254,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Crucial_CT*MX100*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung SSD 8*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
{ "Samsung SSD 840*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung SSD 850*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "FCCT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
@ -5077,8 +5098,7 @@ void ata_qc_issue(struct ata_queued_cmd *qc)
* We guarantee to LLDs that they will have at least one
* non-zero sg if the command is a data command.
*/
if (WARN_ON_ONCE(ata_is_data(prot) &&
(!qc->sg || !qc->n_elem || !qc->nbytes)))
if (ata_is_data(prot) && (!qc->sg || !qc->n_elem || !qc->nbytes))
goto sys_err;
if (ata_is_dma(prot) || (ata_is_pio(prot) &&

4
drivers/ata/libata-scsi.c
View File

@ -3472,7 +3472,9 @@ static inline int __ata_scsi_queuecmd(struct scsi_cmnd *scmd,
if (likely((scsi_op != ATA_16) || !atapi_passthru16)) {
/* relay SCSI command to ATAPI device */
int len = COMMAND_SIZE(scsi_op);
if (unlikely(len > scmd->cmd_len || len > dev->cdb_len))
if (unlikely(len > scmd->cmd_len ||
len > dev->cdb_len ||
scmd->cmd_len > ATAPI_CDB_LEN))
goto bad_cdb_len;
xlat_func = atapi_xlat;

2
drivers/block/loop.c
View File

@ -263,7 +263,7 @@ static int lo_write_bvec(struct file *file, struct bio_vec *bvec, loff_t *ppos)
struct iov_iter i;
ssize_t bw;
iov_iter_bvec(&i, ITER_BVEC, bvec, 1, bvec->bv_len);
iov_iter_bvec(&i, ITER_BVEC | WRITE, bvec, 1, bvec->bv_len);
file_start_write(file);
bw = vfs_iter_write(file, &i, ppos);

36
drivers/block/mtip32xx/mtip32xx.c
View File

@ -169,6 +169,25 @@ static bool mtip_check_surprise_removal(struct pci_dev *pdev)
return false; /* device present */
}
/* we have to use runtime tag to setup command header */
static void mtip_init_cmd_header(struct request *rq)
{
struct driver_data *dd = rq->q->queuedata;
struct mtip_cmd *cmd = blk_mq_rq_to_pdu(rq);
u32 host_cap_64 = readl(dd->mmio + HOST_CAP) & HOST_CAP_64;
/* Point the command headers at the command tables. */
cmd->command_header = dd->port->command_list +
(sizeof(struct mtip_cmd_hdr) * rq->tag);
cmd->command_header_dma = dd->port->command_list_dma +
(sizeof(struct mtip_cmd_hdr) * rq->tag);
if (host_cap_64)
cmd->command_header->ctbau = __force_bit2int cpu_to_le32((cmd->command_dma >> 16) >> 16);
cmd->command_header->ctba = __force_bit2int cpu_to_le32(cmd->command_dma & 0xFFFFFFFF);
}
static struct mtip_cmd *mtip_get_int_command(struct driver_data *dd)
{
struct request *rq;
@ -180,6 +199,9 @@ static struct mtip_cmd *mtip_get_int_command(struct driver_data *dd)
if (IS_ERR(rq))
return NULL;
/* Internal cmd isn't submitted via .queue_rq */
mtip_init_cmd_header(rq);
return blk_mq_rq_to_pdu(rq);
}
@ -3818,6 +3840,8 @@ static int mtip_queue_rq(struct blk_mq_hw_ctx *hctx,
struct request *rq = bd->rq;
int ret;
mtip_init_cmd_header(rq);
if (unlikely(mtip_check_unal_depth(hctx, rq)))
return BLK_MQ_RQ_QUEUE_BUSY;
@ -3849,7 +3873,6 @@ static int mtip_init_cmd(void *data, struct request *rq, unsigned int hctx_idx,
{
struct driver_data *dd = data;
struct mtip_cmd *cmd = blk_mq_rq_to_pdu(rq);
u32 host_cap_64 = readl(dd->mmio + HOST_CAP) & HOST_CAP_64;
/*
* For flush requests, request_idx starts at the end of the
@ -3866,17 +3889,6 @@ static int mtip_init_cmd(void *data, struct request *rq, unsigned int hctx_idx,
memset(cmd->command, 0, CMD_DMA_ALLOC_SZ);
/* Point the command headers at the command tables. */
cmd->command_header = dd->port->command_list +
(sizeof(struct mtip_cmd_hdr) * request_idx);
cmd->command_header_dma = dd->port->command_list_dma +
(sizeof(struct mtip_cmd_hdr) * request_idx);
if (host_cap_64)
cmd->command_header->ctbau = __force_bit2int cpu_to_le32((cmd->command_dma >> 16) >> 16);
cmd->command_header->ctba = __force_bit2int cpu_to_le32(cmd->command_dma & 0xFFFFFFFF);
sg_init_table(cmd->sg, MTIP_MAX_SG);
return 0;
}

2
drivers/bluetooth/btusb.c
View File

@ -216,7 +216,6 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
@ -247,6 +246,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
/* QCA ROME chipset */
{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },

3
drivers/bluetooth/hci_qca.c
View File

@ -936,6 +936,9 @@ static int qca_setup(struct hci_uart *hu)
if (!ret) {
set_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
qca_debugfs_init(hdev);
} else if (ret == -ENOENT) {
/* No patch/nvm-config found, run with original fw/config */
ret = 0;
}
/* Setup bdaddr */

2
drivers/char/agp/intel-gtt.c
View File

@ -859,6 +859,8 @@ void intel_gtt_insert_sg_entries(struct sg_table *st,
}
}
wmb();
if (intel_private.driver->chipset_flush)
intel_private.driver->chipset_flush();
}
EXPORT_SYMBOL(intel_gtt_insert_sg_entries);

8
drivers/char/ipmi/ipmi_watchdog.c
View File

@ -515,7 +515,7 @@ static void panic_halt_ipmi_heartbeat(void)
msg.cmd = IPMI_WDOG_RESET_TIMER;
msg.data = NULL;
msg.data_len = 0;
atomic_add(2, &panic_done_count);
atomic_add(1, &panic_done_count);
rv = ipmi_request_supply_msgs(watchdog_user,
(struct ipmi_addr *) &addr,
0,
@ -525,7 +525,7 @@ static void panic_halt_ipmi_heartbeat(void)
&panic_halt_heartbeat_recv_msg,
1);
if (rv)
atomic_sub(2, &panic_done_count);
atomic_sub(1, &panic_done_count);
}
static struct ipmi_smi_msg panic_halt_smi_msg = {
@ -549,12 +549,12 @@ static void panic_halt_ipmi_set_timeout(void)
/* Wait for the messages to be free. */
while (atomic_read(&panic_done_count) != 0)
ipmi_poll_interface(watchdog_user);
atomic_add(2, &panic_done_count);
atomic_add(1, &panic_done_count);
rv = i_ipmi_set_timeout(&panic_halt_smi_msg,
&panic_halt_recv_msg,
&send_heartbeat_now);
if (rv) {
atomic_sub(2, &panic_done_count);
atomic_sub(1, &panic_done_count);
printk(KERN_WARNING PFX
"Unable to extend the watchdog timeout.");
} else {

4
drivers/char/tpm/st33zp24/st33zp24.c
View File

@ -485,7 +485,7 @@ static int st33zp24_recv(struct tpm_chip *chip, unsigned char *buf,
size_t count)
{
int size = 0;
int expected;
u32 expected;
if (!chip)
return -EBUSY;
@ -502,7 +502,7 @@ static int st33zp24_recv(struct tpm_chip *chip, unsigned char *buf,
}
expected = be32_to_cpu(*(__be32 *)(buf + 2));
if (expected > count) {
if (expected > count || expected < TPM_HEADER_SIZE) {
size = -EIO;
goto out;
}

5
drivers/char/tpm/tpm-interface.c
View File

@ -1040,6 +1040,11 @@ int tpm_get_random(u32 chip_num, u8 *out, size_t max)
break;
recd = be32_to_cpu(tpm_cmd.params.getrandom_out.rng_data_len);
if (recd > num_bytes) {
total = -EFAULT;
break;
}
memcpy(dest, tpm_cmd.params.getrandom_out.rng_data, recd);
dest += recd;

6
drivers/char/tpm/tpm2-cmd.c
View File

@ -622,6 +622,11 @@ static int tpm2_unseal_cmd(struct tpm_chip *chip,
if (!rc) {
data_len = be16_to_cpup(
(__be16 *) &buf.data[TPM_HEADER_SIZE + 4]);
if (data_len < MIN_KEY_SIZE || data_len > MAX_KEY_SIZE + 1) {
rc = -EFAULT;
goto out;
}
data = &buf.data[TPM_HEADER_SIZE + 6];
memcpy(payload->key, data, data_len - 1);
@ -629,6 +634,7 @@ static int tpm2_unseal_cmd(struct tpm_chip *chip,
payload->migratable = data[data_len - 1];
}
out:
tpm_buf_destroy(&buf);
return rc;
}

5
drivers/char/tpm/tpm_i2c_infineon.c
View File

@ -436,7 +436,8 @@ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count)
static int tpm_tis_i2c_recv(struct tpm_chip *chip, u8 *buf, size_t count)
{
int size = 0;
int expected, status;
int status;
u32 expected;
if (count < TPM_HEADER_SIZE) {
size = -EIO;
@ -451,7 +452,7 @@ static int tpm_tis_i2c_recv(struct tpm_chip *chip, u8 *buf, size_t count)
}
expected = be32_to_cpu(*(__be32 *)(buf + 2));
if ((size_t) expected > count) {
if (((size_t) expected > count) || (expected < TPM_HEADER_SIZE)) {
size = -EIO;
goto out;
}

8
drivers/char/tpm/tpm_i2c_nuvoton.c
View File

@ -267,7 +267,11 @@ static int i2c_nuvoton_recv(struct tpm_chip *chip, u8 *buf, size_t count)
struct device *dev = chip->dev.parent;
struct i2c_client *client = to_i2c_client(dev);
s32 rc;
int expected, status, burst_count, retries, size = 0;
int status;
int burst_count;
int retries;
int size = 0;
u32 expected;
if (count < TPM_HEADER_SIZE) {
i2c_nuvoton_ready(chip); /* return to idle */
@ -309,7 +313,7 @@ static int i2c_nuvoton_recv(struct tpm_chip *chip, u8 *buf, size_t count)
* to machine native
*/
expected = be32_to_cpu(*(__be32 *) (buf + 2));
if (expected > count) {
if (expected > count || expected < size) {
dev_err(dev, "%s() expected > count\n", __func__);
size = -EIO;
continue;

5
drivers/char/tpm/tpm_tis.c
View File

@ -283,7 +283,8 @@ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count)
static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count)
{
int size = 0;
int expected, status;
int status;
u32 expected;
if (count < TPM_HEADER_SIZE) {
size = -EIO;
@ -298,7 +299,7 @@ static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count)
}
expected = be32_to_cpu(*(__be32 *) (buf + 2));
if (expected > count) {
if (expected > count || expected < TPM_HEADER_SIZE) {
size = -EIO;
goto out;
}

4
drivers/clk/bcm/clk-bcm2835.c
View File

@ -912,8 +912,10 @@ static int bcm2835_pll_on(struct clk_hw *hw)
~A2W_PLL_CTRL_PWRDN);
/* Take the PLL out of reset. */
spin_lock(&cprman->regs_lock);
cprman_write(cprman, data->cm_ctrl_reg,
cprman_read(cprman, data->cm_ctrl_reg) & ~CM_PLL_ANARST);
spin_unlock(&cprman->regs_lock);
/* Wait for the PLL to lock. */
timeout = ktime_add_ns(ktime_get(), LOCK_TIMEOUT_NS);
@ -997,9 +999,11 @@ static int bcm2835_pll_set_rate(struct clk_hw *hw,
}
/* Unmask the reference clock from the oscillator. */
spin_lock(&cprman->regs_lock);
cprman_write(cprman, A2W_XOSC_CTRL,
cprman_read(cprman, A2W_XOSC_CTRL) |
data->reference_enable_mask);
spin_unlock(&cprman->regs_lock);
if (do_ana_setup_first)
bcm2835_pll_write_ana(cprman, data->ana_reg_base, ana);

2
drivers/clk/bcm/clk-ns2.c
View File

@ -103,7 +103,7 @@ CLK_OF_DECLARE(ns2_genpll_src_clk, "brcm,ns2-genpll-scr",
static const struct iproc_pll_ctrl genpll_sw = {
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_SPLIT_STAT_CTRL,
.aon = AON_VAL(0x0, 2, 9, 8),
.aon = AON_VAL(0x0, 1, 11, 10),
.reset = RESET_VAL(0x4, 2, 1),
.dig_filter = DF_VAL(0x0, 9, 3, 5, 4, 2, 3),
.ndiv_int = REG_VAL(0x8, 4, 10),

2
drivers/clk/clk-si5351.c
View File

@ -72,7 +72,7 @@ static const char * const si5351_input_names[] = {
"xtal", "clkin"
};
static const char * const si5351_pll_names[] = {
"plla", "pllb", "vxco"
"si5351_plla", "si5351_pllb", "si5351_vxco"
};
static const char * const si5351_msynth_names[] = {
"ms0", "ms1", "ms2", "ms3", "ms4", "ms5", "ms6", "ms7"

1
drivers/clk/qcom/gcc-msm8916.c
View File

@ -1437,6 +1437,7 @@ static const struct freq_tbl ftbl_codec_clk[] = {
static struct clk_rcg2 codec_digcodec_clk_src = {
.cmd_rcgr = 0x1c09c,
.mnd_width = 8,
.hid_width = 5,
.parent_map = gcc_xo_gpll1_emclk_sleep_map,
.freq_tbl = ftbl_codec_clk,

6
drivers/cpufreq/cpufreq.c
View File

@ -645,6 +645,8 @@ static int cpufreq_parse_governor(char *str_governor, unsigned int *policy,
*governor = t;
err = 0;
}
if (t && !try_module_get(t->owner))
t = NULL;
mutex_unlock(&cpufreq_governor_mutex);
}
@ -763,6 +765,10 @@ static ssize_t store_scaling_governor(struct cpufreq_policy *policy,
return -EINVAL;
ret = cpufreq_set_policy(policy, &new_policy);
if (new_policy.governor)
module_put(new_policy.governor->owner);
return ret ? ret : count;
}

8
drivers/cpufreq/s3c24xx-cpufreq.c
View File

@ -364,7 +364,13 @@ struct clk *s3c_cpufreq_clk_get(struct device *dev, const char *name)
static int s3c_cpufreq_init(struct cpufreq_policy *policy)
{
policy->clk = clk_arm;
return cpufreq_generic_init(policy, ftab, cpu_cur.info->latency);
policy->cpuinfo.transition_latency = cpu_cur.info->latency;
if (ftab)
return cpufreq_table_validate_and_show(policy, ftab);
return 0;
}
static int __init s3c_cpufreq_initclks(void)

75
drivers/cpufreq/sh-cpufreq.c
View File

@ -30,11 +30,51 @@
static DEFINE_PER_CPU(struct clk, sh_cpuclk);
struct cpufreq_target {
struct cpufreq_policy *policy;
unsigned int freq;
};
static unsigned int sh_cpufreq_get(unsigned int cpu)
{
return (clk_get_rate(&per_cpu(sh_cpuclk, cpu)) + 500) / 1000;
}
static long __sh_cpufreq_target(void *arg)
{
struct cpufreq_target *target = arg;
struct cpufreq_policy *policy = target->policy;
int cpu = policy->cpu;
struct clk *cpuclk = &per_cpu(sh_cpuclk, cpu);
struct cpufreq_freqs freqs;
struct device *dev;
long freq;
if (smp_processor_id() != cpu)
return -ENODEV;
dev = get_cpu_device(cpu);
/* Convert target_freq from kHz to Hz */
freq = clk_round_rate(cpuclk, target->freq * 1000);
if (freq < (policy->min * 1000) || freq > (policy->max * 1000))
return -EINVAL;
dev_dbg(dev, "requested frequency %u Hz\n", target->freq * 1000);
freqs.old = sh_cpufreq_get(cpu);
freqs.new = (freq + 500) / 1000;
freqs.flags = 0;
cpufreq_freq_transition_begin(target->policy, &freqs);
clk_set_rate(cpuclk, freq);
cpufreq_freq_transition_end(target->policy, &freqs, 0);
dev_dbg(dev, "set frequency %lu Hz\n", freq);
return 0;
}
/*
* Here we notify other drivers of the proposed change and the final change.
*/
@ -42,40 +82,9 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy,
unsigned int target_freq,
unsigned int relation)
{
unsigned int cpu = policy->cpu;
struct clk *cpuclk = &per_cpu(sh_cpuclk, cpu);
cpumask_t cpus_allowed;
struct cpufreq_freqs freqs;
struct device *dev;
long freq;
struct cpufreq_target data = { .policy = policy, .freq = target_freq };
cpus_allowed = current->cpus_allowed;
set_cpus_allowed_ptr(current, cpumask_of(cpu));
BUG_ON(smp_processor_id() != cpu);
dev = get_cpu_device(cpu);
/* Convert target_freq from kHz to Hz */
freq = clk_round_rate(cpuclk, target_freq * 1000);
if (freq < (policy->min * 1000) || freq > (policy->max * 1000))
return -EINVAL;
dev_dbg(dev, "requested frequency %u Hz\n", target_freq * 1000);
freqs.old = sh_cpufreq_get(cpu);
freqs.new = (freq + 500) / 1000;
freqs.flags = 0;
cpufreq_freq_transition_begin(policy, &freqs);
set_cpus_allowed_ptr(current, &cpus_allowed);
clk_set_rate(cpuclk, freq);
cpufreq_freq_transition_end(policy, &freqs, 0);
dev_dbg(dev, "set frequency %lu Hz\n", freq);
return 0;
return work_on_cpu(policy->cpu, __sh_cpufreq_target, &data);
}
static int sh_cpufreq_verify(struct cpufreq_policy *policy)

17
drivers/dma/imx-sdma.c
View File

@ -911,6 +911,21 @@ static int sdma_disable_channel(struct dma_chan *chan)
return 0;
}
static int sdma_disable_channel_with_delay(struct dma_chan *chan)
{
sdma_disable_channel(chan);
/*
* According to NXP R&D team a delay of one BD SDMA cost time
* (maximum is 1ms) should be added after disable of the channel
* bit, to ensure SDMA core has really been stopped after SDMA
* clients call .device_terminate_all.
*/
mdelay(1);
return 0;
}
static void sdma_set_watermarklevel_for_p2p(struct sdma_channel *sdmac)
{
struct sdma_engine *sdma = sdmac->sdma;
@ -1793,7 +1808,7 @@ static int sdma_probe(struct platform_device *pdev)
sdma->dma_device.device_prep_slave_sg = sdma_prep_slave_sg;
sdma->dma_device.device_prep_dma_cyclic = sdma_prep_dma_cyclic;
sdma->dma_device.device_config = sdma_config;
sdma->dma_device.device_terminate_all = sdma_disable_channel;
sdma->dma_device.device_terminate_all = sdma_disable_channel_with_delay;
sdma->dma_device.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
sdma->dma_device.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
sdma->dma_device.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);

10
drivers/dma/ti-dma-crossbar.c
View File

@ -51,7 +51,15 @@ struct ti_am335x_xbar_map {
static inline void ti_am335x_xbar_write(void __iomem *iomem, int event, u8 val)
{
writeb_relaxed(val, iomem + event);
/*
* TPCC_EVT_MUX_60_63 register layout is different than the
* rest, in the sense, that event 63 is mapped to lowest byte
* and event 60 is mapped to highest, handle it separately.
*/
if (event >= 60 && event <= 63)
writeb_relaxed(val, iomem + (63 - event % 4));
else
writeb_relaxed(val, iomem + event);
}
static void ti_am335x_xbar_free(struct device *dev, void *route_data)

3
drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
View File

@ -585,6 +585,9 @@ int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
size_t size;
u32 retry = 3;
if (amdgpu_acpi_pcie_notify_device_ready(adev))
return -EINVAL;
/* Get the device handle */
handle = ACPI_HANDLE(&adev->pdev->dev);
if (!handle)

87
drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
View File

@ -69,25 +69,18 @@ void amdgpu_connector_hotplug(struct drm_connector *connector)
/* don't do anything if sink is not display port, i.e.,
* passive dp->(dvi|hdmi) adaptor
*/
if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
int saved_dpms = connector->dpms;
/* Only turn off the display if it's physically disconnected */
if (!amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
} else if (amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) {
/* Don't try to start link training before we
* have the dpcd */
if (amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
return;
if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd) &&
amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) {
/* Don't start link training before we have the DPCD */
if (amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
return;
/* set it to OFF so that drm_helper_connector_dpms()
* won't return immediately since the current state
* is ON at this point.
*/
connector->dpms = DRM_MODE_DPMS_OFF;
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
}
connector->dpms = saved_dpms;
/* Turn the connector off and back on immediately, which
* will trigger link training
*/
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
}
}
}
@ -739,9 +732,11 @@ amdgpu_connector_lvds_detect(struct drm_connector *connector, bool force)
enum drm_connector_status ret = connector_status_disconnected;
int r;
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
if (!drm_kms_helper_is_poll_worker()) {
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
}
if (encoder) {
struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
@ -760,8 +755,12 @@ amdgpu_connector_lvds_detect(struct drm_connector *connector, bool force)
/* check acpi lid status ??? */
amdgpu_connector_update_scratch_regs(connector, ret);
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
if (!drm_kms_helper_is_poll_worker()) {
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
}
return ret;
}
@ -862,9 +861,11 @@ amdgpu_connector_vga_detect(struct drm_connector *connector, bool force)
enum drm_connector_status ret = connector_status_disconnected;
int r;
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
if (!drm_kms_helper_is_poll_worker()) {
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
}
encoder = amdgpu_connector_best_single_encoder(connector);
if (!encoder)
@ -918,8 +919,10 @@ amdgpu_connector_vga_detect(struct drm_connector *connector, bool force)
amdgpu_connector_update_scratch_regs(connector, ret);
out:
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
if (!drm_kms_helper_is_poll_worker()) {
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
}
return ret;
}
@ -981,9 +984,11 @@ amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force)
enum drm_connector_status ret = connector_status_disconnected;
bool dret = false, broken_edid = false;
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
if (!drm_kms_helper_is_poll_worker()) {
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
}
if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) {
ret = connector->status;
@ -1108,8 +1113,10 @@ amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force)
amdgpu_connector_update_scratch_regs(connector, ret);
exit:
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
if (!drm_kms_helper_is_poll_worker()) {
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
}
return ret;
}
@ -1351,9 +1358,11 @@ amdgpu_connector_dp_detect(struct drm_connector *connector, bool force)
struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector);
int r;
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
if (!drm_kms_helper_is_poll_worker()) {
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
}
if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) {
ret = connector->status;
@ -1421,8 +1430,10 @@ amdgpu_connector_dp_detect(struct drm_connector *connector, bool force)
amdgpu_connector_update_scratch_regs(connector, ret);
out:
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
if (!drm_kms_helper_is_poll_worker()) {
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
}
return ret;
}

6
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
View File

@ -560,6 +560,12 @@ amdgpu_user_framebuffer_create(struct drm_device *dev,
return ERR_PTR(-ENOENT);
}
/* Handle is imported dma-buf, so cannot be migrated to VRAM for scanout */
if (obj->import_attach) {
DRM_DEBUG_KMS("Cannot create framebuffer from imported dma_buf\n");
return ERR_PTR(-EINVAL);
}
amdgpu_fb = kzalloc(sizeof(*amdgpu_fb), GFP_KERNEL);
if (amdgpu_fb == NULL) {
drm_gem_object_unreference_unlocked(obj);

30
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
View File

@ -2104,34 +2104,8 @@ static void gfx_v7_0_gpu_init(struct amdgpu_device *adev)
case CHIP_KAVERI:
adev->gfx.config.max_shader_engines = 1;
adev->gfx.config.max_tile_pipes = 4;
if ((adev->pdev->device == 0x1304) ||
(adev->pdev->device == 0x1305) ||
(adev->pdev->device == 0x130C) ||
(adev->pdev->device == 0x130F) ||
(adev->pdev->device == 0x1310) ||
(adev->pdev->device == 0x1311) ||
(adev->pdev->device == 0x131C)) {
adev->gfx.config.max_cu_per_sh = 8;
adev->gfx.config.max_backends_per_se = 2;
} else if ((adev->pdev->device == 0x1309) ||
(adev->pdev->device == 0x130A) ||
(adev->pdev->device == 0x130D) ||
(adev->pdev->device == 0x1313) ||
(adev->pdev->device == 0x131D)) {
adev->gfx.config.max_cu_per_sh = 6;
adev->gfx.config.max_backends_per_se = 2;
} else if ((adev->pdev->device == 0x1306) ||
(adev->pdev->device == 0x1307) ||
(adev->pdev->device == 0x130B) ||
(adev->pdev->device == 0x130E) ||
(adev->pdev->device == 0x1315) ||
(adev->pdev->device == 0x131B)) {
adev->gfx.config.max_cu_per_sh = 4;
adev->gfx.config.max_backends_per_se = 1;
} else {
adev->gfx.config.max_cu_per_sh = 3;
adev->gfx.config.max_backends_per_se = 1;
}
adev->gfx.config.max_cu_per_sh = 8;
adev->gfx.config.max_backends_per_se = 2;
adev->gfx.config.max_sh_per_se = 1;
adev->gfx.config.max_texture_channel_caches = 4;
adev->gfx.config.max_gprs = 256;

10
drivers/gpu/drm/amd/amdkfd/kfd_topology.c
View File

@ -519,11 +519,17 @@ static ssize_t sysprops_show(struct kobject *kobj, struct attribute *attr,
return ret;
}
static void kfd_topology_kobj_release(struct kobject *kobj)
{
kfree(kobj);
}
static const struct sysfs_ops sysprops_ops = {
.show = sysprops_show,
};
static struct kobj_type sysprops_type = {
.release = kfd_topology_kobj_release,
.sysfs_ops = &sysprops_ops,
};
@ -559,6 +565,7 @@ static const struct sysfs_ops iolink_ops = {
};
static struct kobj_type iolink_type = {
.release = kfd_topology_kobj_release,
.sysfs_ops = &iolink_ops,
};
@ -586,6 +593,7 @@ static const struct sysfs_ops mem_ops = {
};
static struct kobj_type mem_type = {
.release = kfd_topology_kobj_release,
.sysfs_ops = &mem_ops,
};
@ -625,6 +633,7 @@ static const struct sysfs_ops cache_ops = {
};
static struct kobj_type cache_type = {
.release = kfd_topology_kobj_release,
.sysfs_ops = &cache_ops,
};
@ -747,6 +756,7 @@ static const struct sysfs_ops node_ops = {
};
static struct kobj_type node_type = {
.release = kfd_topology_kobj_release,
.sysfs_ops = &node_ops,
};

9
drivers/gpu/drm/drm_edid.c
View File

@ -3790,8 +3790,7 @@ monitor_name(struct detailed_timing *t, void *data)
* @edid: EDID to parse
*
* Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
* Conn_Type, HDCP and Port_ID ELD fields are left for the graphics driver to
* fill in.
* HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
*/
void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
{
@ -3876,6 +3875,12 @@ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
}
eld[5] |= total_sad_count << 4;
if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
connector->connector_type == DRM_MODE_CONNECTOR_eDP)
eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
else
eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
eld[DRM_ELD_BASELINE_ELD_LEN] =
DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);

14
drivers/gpu/drm/drm_irq.c
View File

@ -1273,9 +1273,9 @@ void drm_vblank_put(struct drm_device *dev, unsigned int pipe)
if (atomic_dec_and_test(&vblank->refcount)) {
if (drm_vblank_offdelay == 0)
return;
else if (dev->vblank_disable_immediate || drm_vblank_offdelay < 0)
else if (drm_vblank_offdelay < 0)
vblank_disable_fn((unsigned long)vblank);
else
else if (!dev->vblank_disable_immediate)
mod_timer(&vblank->disable_timer,
jiffies + ((drm_vblank_offdelay * HZ)/1000));
}
@ -1904,6 +1904,16 @@ bool drm_handle_vblank(struct drm_device *dev, unsigned int pipe)
wake_up(&vblank->queue);
drm_handle_vblank_events(dev, pipe);
/* With instant-off, we defer disabling the interrupt until after
* we finish processing the following vblank. The disable has to
* be last (after drm_handle_vblank_events) so that the timestamp
* is always accurate.
*/
if (dev->vblank_disable_immediate &&
drm_vblank_offdelay > 0 &&
!atomic_read(&vblank->refcount))
vblank_disable_fn((unsigned long)vblank);
spin_unlock_irqrestore(&dev->event_lock, irqflags);
return true;

20
drivers/gpu/drm/drm_probe_helper.c
View File

@ -414,6 +414,26 @@ static void output_poll_execute(struct work_struct *work)
schedule_delayed_work(delayed_work, DRM_OUTPUT_POLL_PERIOD);
}
/**
* drm_kms_helper_is_poll_worker - is %current task an output poll worker?
*
* Determine if %current task is an output poll worker. This can be used
* to select distinct code paths for output polling versus other contexts.
*
* One use case is to avoid a deadlock between the output poll worker and
* the autosuspend worker wherein the latter waits for polling to finish
* upon calling drm_kms_helper_poll_disable(), while the former waits for
* runtime suspend to finish upon calling pm_runtime_get_sync() in a
* connector ->detect hook.
*/
bool drm_kms_helper_is_poll_worker(void)
{
struct work_struct *work = current_work();
return work && work->func == output_poll_execute;
}
EXPORT_SYMBOL(drm_kms_helper_is_poll_worker);
/**
* drm_kms_helper_poll_disable - disable output polling
* @dev: drm_device

16
drivers/gpu/drm/msm/msm_gem.c
View File

@ -89,13 +89,16 @@ static struct page **get_pages(struct drm_gem_object *obj)
return p;
}
msm_obj->pages = p;
msm_obj->sgt = drm_prime_pages_to_sg(p, npages);
if (IS_ERR(msm_obj->sgt)) {
dev_err(dev->dev, "failed to allocate sgt\n");
return ERR_CAST(msm_obj->sgt);
}
void *ptr = ERR_CAST(msm_obj->sgt);
msm_obj->pages = p;
dev_err(dev->dev, "failed to allocate sgt\n");
msm_obj->sgt = NULL;
return ptr;
}
/* For non-cached buffers, ensure the new pages are clean
* because display controller, GPU, etc. are not coherent:
@ -119,7 +122,10 @@ static void put_pages(struct drm_gem_object *obj)
if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED))
dma_unmap_sg(obj->dev->dev, msm_obj->sgt->sgl,
msm_obj->sgt->nents, DMA_BIDIRECTIONAL);
sg_free_table(msm_obj->sgt);
if (msm_obj->sgt)
sg_free_table(msm_obj->sgt);
kfree(msm_obj->sgt);
if (use_pages(obj))

18
drivers/gpu/drm/nouveau/nouveau_connector.c
View File

@ -253,9 +253,15 @@ nouveau_connector_detect(struct drm_connector *connector, bool force)
nv_connector->edid = NULL;
}
ret = pm_runtime_get_sync(connector->dev->dev);
if (ret < 0 && ret != -EACCES)
return conn_status;
/* Outputs are only polled while runtime active, so acquiring a
* runtime PM ref here is unnecessary (and would deadlock upon
* runtime suspend because it waits for polling to finish).
*/
if (!drm_kms_helper_is_poll_worker()) {
ret = pm_runtime_get_sync(connector->dev->dev);
if (ret < 0 && ret != -EACCES)
return conn_status;
}
nv_encoder = nouveau_connector_ddc_detect(connector);
if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
@ -323,8 +329,10 @@ nouveau_connector_detect(struct drm_connector *connector, bool force)
out:
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
if (!drm_kms_helper_is_poll_worker()) {
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
}
return conn_status;
}

2
drivers/gpu/drm/nouveau/nouveau_display.c
View File

@ -104,7 +104,7 @@ nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
};
struct nouveau_display *disp = nouveau_display(crtc->dev);
struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
int ret, retry = 1;
int ret, retry = 20;
do {
ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args));

5
drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
View File

@ -288,7 +288,12 @@ static int dmm_txn_commit(struct dmm_txn *txn, bool wait)
msecs_to_jiffies(100))) {
dev_err(dmm->dev, "timed out waiting for done\n");
ret = -ETIMEDOUT;
goto cleanup;
}
/* Check the engine status before continue */
ret = wait_status(engine, DMM_PATSTATUS_READY |
DMM_PATSTATUS_VALID | DMM_PATSTATUS_DONE);
}
cleanup:

9
drivers/gpu/drm/qxl/qxl_fb.c
View File

@ -494,9 +494,11 @@ static const struct drm_fb_helper_funcs qxl_fb_helper_funcs = {
int qxl_fbdev_init(struct qxl_device *qdev)
{
int ret = 0;
#ifdef CONFIG_DRM_FBDEV_EMULATION
struct qxl_fbdev *qfbdev;
int bpp_sel = 32; /* TODO: parameter from somewhere? */
int ret;
qfbdev = kzalloc(sizeof(struct qxl_fbdev), GFP_KERNEL);
if (!qfbdev)
@ -531,6 +533,8 @@ int qxl_fbdev_init(struct qxl_device *qdev)
drm_fb_helper_fini(&qfbdev->helper);
free:
kfree(qfbdev);
#endif
return ret;
}
@ -546,6 +550,9 @@ void qxl_fbdev_fini(struct qxl_device *qdev)
void qxl_fbdev_set_suspend(struct qxl_device *qdev, int state)
{
if (!qdev->mode_info.qfbdev)
return;
drm_fb_helper_set_suspend(&qdev->mode_info.qfbdev->helper, state);
}

31
drivers/gpu/drm/radeon/cik.c
View File

@ -3599,35 +3599,8 @@ static void cik_gpu_init(struct radeon_device *rdev)
case CHIP_KAVERI:
rdev->config.cik.max_shader_engines = 1;
rdev->config.cik.max_tile_pipes = 4;
if ((rdev->pdev->device == 0x1304) ||
(rdev->pdev->device == 0x1305) ||
(rdev->pdev->device == 0x130C) ||
(rdev->pdev->device == 0x130F) ||
(rdev->pdev->device == 0x1310) ||
(rdev->pdev->device == 0x1311) ||
(rdev->pdev->device == 0x131C)) {
rdev->config.cik.max_cu_per_sh = 8;
rdev->config.cik.max_backends_per_se = 2;
} else if ((rdev->pdev->device == 0x1309) ||
(rdev->pdev->device == 0x130A) ||
(rdev->pdev->device == 0x130D) ||
(rdev->pdev->device == 0x1313) ||
(rdev->pdev->device == 0x131D)) {
rdev->config.cik.max_cu_per_sh = 6;
rdev->config.cik.max_backends_per_se = 2;
} else if ((rdev->pdev->device == 0x1306) ||
(rdev->pdev->device == 0x1307) ||
(rdev->pdev->device == 0x130B) ||
(rdev->pdev->device == 0x130E) ||
(rdev->pdev->device == 0x1315) ||
(rdev->pdev->device == 0x1318) ||
(rdev->pdev->device == 0x131B)) {
rdev->config.cik.max_cu_per_sh = 4;
rdev->config.cik.max_backends_per_se = 1;
} else {
rdev->config.cik.max_cu_per_sh = 3;
rdev->config.cik.max_backends_per_se = 1;
}
rdev->config.cik.max_cu_per_sh = 8;
rdev->config.cik.max_backends_per_se = 2;
rdev->config.cik.max_sh_per_se = 1;
rdev->config.cik.max_texture_channel_caches = 4;
rdev->config.cik.max_gprs = 256;

103
drivers/gpu/drm/radeon/radeon_connectors.c
View File

@ -89,25 +89,18 @@ void radeon_connector_hotplug(struct drm_connector *connector)
/* don't do anything if sink is not display port, i.e.,
* passive dp->(dvi|hdmi) adaptor
*/
if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
int saved_dpms = connector->dpms;
/* Only turn off the display if it's physically disconnected */
if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
} else if (radeon_dp_needs_link_train(radeon_connector)) {
/* Don't try to start link training before we
* have the dpcd */
if (!radeon_dp_getdpcd(radeon_connector))
return;
if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
radeon_dp_needs_link_train(radeon_connector)) {
/* Don't start link training before we have the DPCD */
if (!radeon_dp_getdpcd(radeon_connector))
return;
/* set it to OFF so that drm_helper_connector_dpms()
* won't return immediately since the current state
* is ON at this point.
*/
connector->dpms = DRM_MODE_DPMS_OFF;
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
}
connector->dpms = saved_dpms;
/* Turn the connector off and back on immediately, which
* will trigger link training
*/
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
}
}
}
@ -891,9 +884,11 @@ radeon_lvds_detect(struct drm_connector *connector, bool force)
enum drm_connector_status ret = connector_status_disconnected;
int r;
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
if (!drm_kms_helper_is_poll_worker()) {
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
}
if (encoder) {
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
@ -916,8 +911,12 @@ radeon_lvds_detect(struct drm_connector *connector, bool force)
/* check acpi lid status ??? */
radeon_connector_update_scratch_regs(connector, ret);
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
if (!drm_kms_helper_is_poll_worker()) {
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
}
return ret;
}
@ -1020,9 +1019,11 @@ radeon_vga_detect(struct drm_connector *connector, bool force)
enum drm_connector_status ret = connector_status_disconnected;
int r;
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
if (!drm_kms_helper_is_poll_worker()) {
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
}
encoder = radeon_best_single_encoder(connector);
if (!encoder)
@ -1089,8 +1090,10 @@ radeon_vga_detect(struct drm_connector *connector, bool force)
radeon_connector_update_scratch_regs(connector, ret);
out:
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
if (!drm_kms_helper_is_poll_worker()) {
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
}
return ret;
}
@ -1153,9 +1156,11 @@ radeon_tv_detect(struct drm_connector *connector, bool force)
if (!radeon_connector->dac_load_detect)
return ret;
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
if (!drm_kms_helper_is_poll_worker()) {
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
}
encoder = radeon_best_single_encoder(connector);
if (!encoder)
@ -1167,8 +1172,12 @@ radeon_tv_detect(struct drm_connector *connector, bool force)
if (ret == connector_status_connected)
ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
radeon_connector_update_scratch_regs(connector, ret);
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
if (!drm_kms_helper_is_poll_worker()) {
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
}
return ret;
}
@ -1230,9 +1239,11 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
enum drm_connector_status ret = connector_status_disconnected;
bool dret = false, broken_edid = false;
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
if (!drm_kms_helper_is_poll_worker()) {
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
}
if (radeon_connector->detected_hpd_without_ddc) {
force = true;
@ -1415,8 +1426,10 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
}
exit:
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
if (!drm_kms_helper_is_poll_worker()) {
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
}
return ret;
}
@ -1666,9 +1679,11 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
if (radeon_dig_connector->is_mst)
return connector_status_disconnected;
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
if (!drm_kms_helper_is_poll_worker()) {
r = pm_runtime_get_sync(connector->dev->dev);
if (r < 0)
return connector_status_disconnected;
}
if (!force && radeon_check_hpd_status_unchanged(connector)) {
ret = connector->status;
@ -1755,8 +1770,10 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
}
out:
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
if (!drm_kms_helper_is_poll_worker()) {
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
}
return ret;
}

6
drivers/gpu/drm/radeon/radeon_display.c
View File

@ -1374,6 +1374,12 @@ radeon_user_framebuffer_create(struct drm_device *dev,
return ERR_PTR(-ENOENT);
}
/* Handle is imported dma-buf, so cannot be migrated to VRAM for scanout */
if (obj->import_attach) {
DRM_DEBUG_KMS("Cannot create framebuffer from imported dma_buf\n");
return ERR_PTR(-EINVAL);
}
radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL);
if (radeon_fb == NULL) {
drm_gem_object_unreference_unlocked(obj);

9
drivers/gpu/drm/udl/udl_fb.c
View File

@ -256,10 +256,15 @@ static int udl_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
{
unsigned long start = vma->vm_start;
unsigned long size = vma->vm_end - vma->vm_start;
unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
unsigned long offset;
unsigned long page, pos;
if (offset + size > info->fix.smem_len)
if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
return -EINVAL;
offset = vma->vm_pgoff << PAGE_SHIFT;
if (offset > info->fix.smem_len || size > info->fix.smem_len - offset)
return -EINVAL;
pos = (unsigned long)info->fix.smem_start + offset;

4
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
View File

@ -433,7 +433,7 @@ static int vmw_fb_kms_detach(struct vmw_fb_par *par,
set.y = 0;
set.mode = NULL;
set.fb = NULL;
set.num_connectors = 1;
set.num_connectors = 0;
set.connectors = &par->con;
ret = drm_mode_set_config_internal(&set);
if (ret) {
@ -821,7 +821,9 @@ int vmw_fb_off(struct vmw_private *vmw_priv)
flush_delayed_work(&par->local_work);
mutex_lock(&par->bo_mutex);
drm_modeset_lock_all(vmw_priv->dev);
(void) vmw_fb_kms_detach(par, true, false);
drm_modeset_unlock_all(vmw_priv->dev);
mutex_unlock(&par->bo_mutex);
return 0;

28
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
View File

@ -27,7 +27,6 @@
#include "vmwgfx_kms.h"
/* Might need a hrtimer here? */
#define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
@ -1910,9 +1909,12 @@ void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv,
* Helper to be used if an error forces the caller to undo the actions of
* vmw_kms_helper_resource_prepare.
*/
void vmw_kms_helper_resource_revert(struct vmw_resource *res)
void vmw_kms_helper_resource_revert(struct vmw_validation_ctx *ctx)
{
vmw_kms_helper_buffer_revert(res->backup);
struct vmw_resource *res = ctx->res;
vmw_kms_helper_buffer_revert(ctx->buf);
vmw_dmabuf_unreference(&ctx->buf);
vmw_resource_unreserve(res, false, NULL, 0);
mutex_unlock(&res->dev_priv->cmdbuf_mutex);
}
@ -1929,10 +1931,14 @@ void vmw_kms_helper_resource_revert(struct vmw_resource *res)
* interrupted by a signal.
*/
int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
bool interruptible)
bool interruptible,
struct vmw_validation_ctx *ctx)
{
int ret = 0;
ctx->buf = NULL;
ctx->res = res;
if (interruptible)
ret = mutex_lock_interruptible(&res->dev_priv->cmdbuf_mutex);
else
@ -1951,6 +1957,8 @@ int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
res->dev_priv->has_mob);
if (ret)
goto out_unreserve;
ctx->buf = vmw_dmabuf_reference(res->backup);
}
ret = vmw_resource_validate(res);
if (ret)
@ -1958,7 +1966,7 @@ int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
return 0;
out_revert:
vmw_kms_helper_buffer_revert(res->backup);
vmw_kms_helper_buffer_revert(ctx->buf);
out_unreserve:
vmw_resource_unreserve(res, false, NULL, 0);
out_unlock:
@ -1974,11 +1982,13 @@ int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
* @out_fence: Optional pointer to a fence pointer. If non-NULL, a
* ref-counted fence pointer is returned here.
*/
void vmw_kms_helper_resource_finish(struct vmw_resource *res,
struct vmw_fence_obj **out_fence)
void vmw_kms_helper_resource_finish(struct vmw_validation_ctx *ctx,
struct vmw_fence_obj **out_fence)
{
if (res->backup || out_fence)
vmw_kms_helper_buffer_finish(res->dev_priv, NULL, res->backup,
struct vmw_resource *res = ctx->res;
if (ctx->buf || out_fence)
vmw_kms_helper_buffer_finish(res->dev_priv, NULL, ctx->buf,
out_fence, NULL);
vmw_resource_unreserve(res, false, NULL, 0);

12
drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
View File

@ -180,6 +180,11 @@ struct vmw_display_unit {
bool is_implicit;
};
struct vmw_validation_ctx {
struct vmw_resource *res;
struct vmw_dma_buffer *buf;
};
#define vmw_crtc_to_du(x) \
container_of(x, struct vmw_display_unit, crtc)
#define vmw_connector_to_du(x) \
@ -230,9 +235,10 @@ void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv,
struct drm_vmw_fence_rep __user *
user_fence_rep);
int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
bool interruptible);
void vmw_kms_helper_resource_revert(struct vmw_resource *res);
void vmw_kms_helper_resource_finish(struct vmw_resource *res,
bool interruptible,
struct vmw_validation_ctx *ctx);
void vmw_kms_helper_resource_revert(struct vmw_validation_ctx *ctx);
void vmw_kms_helper_resource_finish(struct vmw_validation_ctx *ctx,
struct vmw_fence_obj **out_fence);
int vmw_kms_readback(struct vmw_private *dev_priv,
struct drm_file *file_priv,

5
drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
View File

@ -841,12 +841,13 @@ int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv,
struct vmw_framebuffer_surface *vfbs =
container_of(framebuffer, typeof(*vfbs), base);
struct vmw_kms_sou_surface_dirty sdirty;
struct vmw_validation_ctx ctx;
int ret;
if (!srf)
srf = &vfbs->surface->res;
ret = vmw_kms_helper_resource_prepare(srf, true);
ret = vmw_kms_helper_resource_prepare(srf, true, &ctx);
if (ret)
return ret;
@ -865,7 +866,7 @@ int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv,
ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips,
dest_x, dest_y, num_clips, inc,
&sdirty.base);
vmw_kms_helper_resource_finish(srf, out_fence);
vmw_kms_helper_resource_finish(&ctx, out_fence);
return ret;
}

5
drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
View File

@ -1003,12 +1003,13 @@ int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv,
struct vmw_framebuffer_surface *vfbs =
container_of(framebuffer, typeof(*vfbs), base);
struct vmw_stdu_dirty sdirty;
struct vmw_validation_ctx ctx;
int ret;
if (!srf)
srf = &vfbs->surface->res;
ret = vmw_kms_helper_resource_prepare(srf, true);
ret = vmw_kms_helper_resource_prepare(srf, true, &ctx);
if (ret)
return ret;
@ -1031,7 +1032,7 @@ int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv,
dest_x, dest_y, num_clips, inc,
&sdirty.base);
out_finish:
vmw_kms_helper_resource_finish(srf, out_fence);
vmw_kms_helper_resource_finish(&ctx, out_fence);
return ret;
}

6
drivers/hid/hid-elo.c
View File

@ -42,6 +42,12 @@ static int elo_input_configured(struct hid_device *hdev,
{
struct input_dev *input = hidinput->input;
/*
* ELO devices have one Button usage in GenDesk field, which makes
* hid-input map it to BTN_LEFT; that confuses userspace, which then
* considers the device to be a mouse/touchpad instead of touchscreen.
*/
clear_bit(BTN_LEFT, input->keybit);
set_bit(BTN_TOUCH, input->keybit);
set_bit(ABS_PRESSURE, input->absbit);
input_set_abs_params(input, ABS_PRESSURE, 0, 256, 0, 0);

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