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Prathyushi Nangia c21b90f776 x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache 
Make sure resources are not improperly shared in the op cache and
cause instruction corruption this way.

Signed-off-by: Prathyushi Nangia <prathyushi.nangia@amd.com>
Co-developed-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2026-05-11 20:06:36 -07:00
..
acpi x86/acpi: Add acpi_get_cpu_uid() for unified ACPI CPU UID retrieval 2026-04-06 16:55:15 +02:00
apic Miscellaneous x86 cleanups for v7.1: 2026-04-14 14:03:27 -07:00
cpu x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache 2026-05-11 20:06:36 -07:00
fpu mm.git review status for linus..mm-stable 2026-04-15 12:59:16 -07:00
kprobes Performance events changes for v6.19: 2025-12-01 20:42:01 -08:00
.gitignore
alternative.c x86/alternative: delay freeing of smp_locks section 2026-04-03 17:38:34 +03:00
amd_gart_64.c dma-mapping updates for Linux 6.19: 2025-12-06 09:25:05 -08:00
amd_nb.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
amd_node.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
aperture_64.c x86/platform/amd: Move the <asm/amd_nb.h> header to <asm/amd/nb.h> 2025-04-14 09:34:14 +02:00
apm_32.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
asm-offsets_32.c x86/asm-offsets: Export certain 'struct cpuinfo_x86' fields for 64-bit asm use too 2025-05-15 09:12:07 +02:00
asm-offsets_64.c x86/stackprotector/64: Convert to normal per-CPU variable 2025-02-18 10:15:09 +01:00
asm-offsets.c x86/entry/vdso32: Remove open-coded DWARF in sigreturn.S 2026-01-13 16:37:58 -08:00
audit_64.c
bootflag.c x86/bootflag: Replace open-coded parity calculation with parity8() 2025-02-27 14:00:30 +01:00
callthunks.c x86/paravirt: Remove not needed includes of paravirt.h 2026-01-12 11:26:52 +01:00
cet.c x86/msr: Add explicit includes of <asm/msr.h> 2025-05-02 10:23:47 +02:00
cfi.c x86/traps: Clarify KCFI instruction layout 2025-09-04 21:59:07 +02:00
check.c
cpuid.c
crash_dump_32.c
crash_dump_64.c
crash.c KVM: x86: Move bulk of emergency virtualizaton logic to virt subsystem 2026-03-04 08:52:49 -08:00
devicetree.c x86/of: Don't use DTB for SMP setup if ACPI is enabled 2025-02-25 22:13:02 +01:00
doublefault_32.c
dumpstack_32.c x86/irq: Move irq stacks to percpu hot section 2025-03-04 20:30:33 +01:00
dumpstack_64.c x86/irq: Move irq stacks to percpu hot section 2025-03-04 20:30:33 +01:00
dumpstack.c x86/dumpstack: Prevent KASAN false positive warnings in __show_regs() 2025-10-29 13:07:21 +01:00
e820.c x86/boot/e820: Re-enable BIOS fallback if e820 table is empty 2026-05-07 10:04:54 +02:00
early_printk.c Linux 6.15-rc4 2025-05-06 12:03:03 +02:00
early-quirks.c drm/intel/pciids: rename i915_pciids.h to just pciids.h 2024-10-29 16:14:04 +02:00
ebda.c
eisa.c x86/EISA: Dereference memory directly instead of using readl() 2024-08-29 15:57:09 +02:00
espfix_64.c
fred.c x86/fred: Remove kernel log message when initializing exceptions 2026-03-27 16:38:24 +01:00
ftrace_32.S fgraph: Replace fgraph_ret_regs with ftrace_regs 2024-12-26 10:50:02 -05:00
ftrace_64.S x86/fgraph: Fix return_to_handler regs.rsp value 2026-01-30 13:40:08 -08:00
ftrace.c x86/ftrace: Implement DYNAMIC_FTRACE_WITH_JMP 2025-11-24 09:46:37 -08:00
head_32.S arch, mm: consolidate empty_zero_page 2026-04-05 13:53:01 -07:00
head_64.S arch, mm: consolidate empty_zero_page 2026-04-05 13:53:01 -07:00
head32.c x86/microcode: Consolidate the loader enablement checking 2025-05-05 10:51:00 +02:00
head64.c x86/boot: Create a confined code area for startup code 2025-09-03 18:00:01 +02:00
hpet.c clocksource: Rewrite watchdog code completely 2026-03-20 13:36:32 +01:00
hw_breakpoint.c x86: Restrict KVM-induced symbol exports to KVM modules where obvious/possible 2025-11-12 15:29:38 -08:00
i8237.c syscore: Pass context data to callbacks 2025-11-14 10:01:52 +01:00
i8253.c x86/i8253: Call clockevent_i8253_disable() with interrupts disabled 2025-04-11 07:28:20 +02:00
i8259.c syscore: Pass context data to callbacks 2025-11-14 10:01:52 +01:00
ibt_selftest.S
idt.c perf/x86/core: Register a new vector for handling mediated guest PMIs 2025-12-17 13:31:05 +01:00
io_delay.c
ioport.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
irq_32.c x86/irq: Move irq stacks to percpu hot section 2025-03-04 20:30:33 +01:00
irq_64.c x86/irq: Move irq stacks to percpu hot section 2025-03-04 20:30:33 +01:00
irq_work.c
irq.c Trivial cleanups for the posted MSI interrupt handling 2026-02-10 17:39:08 -08:00
irqflags.S x86/cfi: Clean up linkage 2025-02-14 10:32:05 +01:00
irqinit.c x86/fred: Install system vector handlers even if FRED isn't fully enabled 2025-08-18 14:23:08 +02:00
itmt.c x86/itmt: Add debugfs file to show core priorities 2025-07-07 22:35:51 +02:00
jailhouse.c x86/cpuid: Rename hypervisor_cpuid_base()/for_each_possible_hypervisor_cpuid_base() to cpuid_base_hypervisor()/for_each_possible_cpuid_base_hypervisor() 2025-05-16 10:54:47 +02:00
jump_label.c x86/alternatives: Rename 'text_poke_queue()' to 'smp_text_poke_batch_add()' 2025-04-11 11:01:33 +02:00
kdebugfs.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
kexec-bzimage64.c crash_dump/dm-crypt: don't print in arch-specific code 2026-04-02 23:36:24 -07:00
kgdb.c kgdb: update outdated references to kgdb_wait() 2026-04-21 16:41:54 +01:00
ksysfs.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
kvm.c x86/paravirt: Replace io_delay() hook with a bool 2026-03-22 08:43:05 +01:00
kvmclock.c x86/paravirt: Move paravirt_sched_clock() related code into tsc.c 2026-01-12 18:47:39 +01:00
ldt.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
machine_kexec_32.c x86/mm: Fix _pgd_alloc() for Xen PV mode 2025-04-23 07:49:14 -07:00
machine_kexec_64.c x86/crash: Use set_memory_p() instead of __set_memory_prot() 2026-01-13 15:28:59 +01:00
Makefile x86/kexec: Disable KCOV instrumentation after load_segments() 2026-03-30 14:15:25 +02:00
mmconf-fam10h_64.c x86/msr: Rename 'wrmsrl()' to 'wrmsrq()' 2025-04-10 11:58:33 +02:00
module.c x86/module: Improve relocation error messages 2025-10-14 14:45:21 -07:00
mpparse.c x86/mpparse: Cleanup apic_printk()s 2024-08-07 18:13:28 +02:00
msr.c x86/msr: Add CPU_OUT_OF_SPEC taint name to "unrecognized" pr_warn(msg) 2025-11-05 13:14:42 +01:00
nmi_selftest.c x86/nmi: Clean up NMI selftest 2025-04-01 22:26:32 +02:00
nmi.c x86: Restrict KVM-induced symbol exports to KVM modules where obvious/possible 2025-11-12 15:29:38 -08:00
paravirt-spinlocks.c x86/pvlocks: Move paravirt spinlock functions into own header 2026-01-13 14:57:45 +01:00
paravirt.c x86/paravirt: Replace io_delay() hook with a bool 2026-03-22 08:43:05 +01:00
pci-dma.c Documentation: Merge x86-specific boot options doc into kernel-parameters.txt 2024-12-10 18:25:40 +01:00
pcspeaker.c
perf_regs.c
platform-quirks.c
pmem.c
probe_roms.c
process_32.c x86/process/32: Use correct type for 'gs' variable in __show_regs() to avoid zero-extension 2026-03-31 09:50:10 +02:00
process_64.c x86/process/64: Use savesegment() in __show_regs() instead of inline asm 2026-03-31 09:50:10 +02:00
process.c - Make TDX and kexec work together 2025-10-04 10:01:30 -07:00
process.h
ptrace.c x86/ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names 2025-07-14 22:27:48 -07:00
pvclock.c
quirks.c x86/platform: Fix missing declaration of 'x86_apple_machine' 2025-02-27 22:52:37 +01:00
reboot_fixups_32.c x86/msr: Rename 'wrmsrl()' to 'wrmsrq()' 2025-04-10 11:58:33 +02:00
reboot.c Arm: 2026-04-17 07:18:03 -07:00
relocate_kernel_32.S x86/asm: Remove semicolon from "rep" prefixes 2025-04-18 09:33:33 +02:00
relocate_kernel_64.S x86/kexec: Disable LASS during relocate kernel 2025-11-18 10:38:26 -08:00
resource.c pcmcia: remove obsolete host controller drivers 2026-03-30 07:28:13 +02:00
rethook.c objtool: Remove newlines and tabs from annotation macros 2025-12-03 19:42:37 +01:00
rtc.c x86: rtc: Drop PNP device check 2026-02-26 18:48:43 +01:00
setup_percpu.c x86/smp: Move this_cpu_off to percpu hot section 2025-03-04 20:30:33 +01:00
setup.c memblock, treewide: make memblock_free() handle late freeing 2026-04-01 11:20:15 +03:00
sev_verify_cbit.S
shstk.c x86/shstk: Prevent deadlock during shstk sigreturn 2026-04-20 22:54:24 +02:00
signal_32.c x86/entry/vdso: Rename vdso_image_* to vdso*_image 2026-01-13 15:33:20 -08:00
signal_64.c x86/fred/signal: Prevent immediate repeat of single step trap on return from SIGTRAP handler 2025-06-09 08:50:58 -07:00
signal.c x86/fpu: Convert task_struct::thread.fpu accesses to use x86_task_fpu() 2025-04-14 08:18:29 +02:00
smp.c KVM: x86: Move bulk of emergency virtualizaton logic to virt subsystem 2026-03-04 08:52:49 -08:00
smpboot.c x86/topo: Fix SNC topology mess 2026-03-04 16:35:09 +01:00
stacktrace.c
static_call.c objtool: Remove newlines and tabs from annotation macros 2025-12-03 19:42:37 +01:00
step.c
sys_ia32.c fs: fix archiecture-specific compat_ftruncate64 2026-03-23 12:41:57 +01:00
sys_x86_64.c arch/x86: teach arch_get_unmapped_area_vmflags to handle hugetlb mappings 2024-11-06 20:11:10 -08:00
tboot.c x86/e820: Drop obsolete E820_TYPE_RESERVED_KERN and related code 2025-02-21 16:05:00 +01:00
time.c x86: stop playing stack games in profile_pc() 2024-06-28 14:27:22 -07:00
tls.c x86/tls: Clean up 'sel' variable usage in do_set_thread_area() 2026-03-31 09:50:11 +02:00
tls.h
trace_clock.c x86/msr: Add explicit includes of <asm/msr.h> 2025-05-02 10:23:47 +02:00
trace.c
traps.c x86/vsyscall: Restore vsyscall=xonly mode under LASS 2026-03-19 15:11:13 -07:00
tsc_msr.c x86/cpu: Fix #define name for Intel CPU model 0x5A 2025-02-04 10:05:53 -08:00
tsc_sync.c x86/msr: Add explicit includes of <asm/msr.h> 2025-05-02 10:23:47 +02:00
tsc.c clocksource: Rewrite watchdog code completely 2026-03-20 13:36:32 +01:00
umip.c x86/traps: Consolidate user fixups in the #GP handler 2026-03-19 15:11:13 -07:00
unwind_frame.c
unwind_guess.c
unwind_orc.c objtool/x86: Reorder ORC register numbering 2026-03-18 09:38:52 +01:00
uprobes.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
verify_cpu.S x86/cpufeatures: Generate the <asm/cpufeaturemasks.h> header based on build config 2025-03-19 11:15:11 +01:00
vm86_32.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
vmcore_info_32.c
vmcore_info_64.c
vmlinux.lds.S kbuild: Split .modinfo out from ELF_DETAILS 2026-02-26 11:50:19 -07:00
vsmp_64.c x86/paravirt: Remove not needed includes of paravirt.h 2026-01-12 11:26:52 +01:00
x86_init.c treewide: Update email address 2026-01-11 06:09:11 -10:00