Anup Patel aa9887608e RISC-V: Check clint_time_val before use ... The NoMMU kernel is broken for QEMU virt machine from Linux-5.9-rc6 because clint_time_val is used even before CLINT driver is probed at following places: 1. rand_initialize() calls get_cycles() which in-turn uses clint_time_val 2. boot_init_stack_canary() calls get_cycles() which in-turn uses clint_time_val The issue#1 (above) is fixed by providing custom random_get_entropy() for RISC-V NoMMU kernel. For issue#2 (above), we remove dependency of boot_init_stack_canary() on get_cycles() and this is aligned with the boot_init_stack_canary() implementations of ARM, ARM64 and MIPS kernel. Fixes: d5be89a8d1 ("RISC-V: Resurrect the MMIO timer implementation for M-mode systems") Signed-off-by: Anup Patel <anup.patel@wdc.com> Tested-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>		2020-09-30 11:05:14 -07:00
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boot	riscv: Fix Kendryte K210 device tree	2020-09-19 13:20:14 -07:00
configs	riscv: Add SiFive drivers to rv32_defconfig	2020-08-20 11:00:21 -07:00
include	RISC-V: Check clint_time_val before use	2020-09-30 11:05:14 -07:00
kernel	RISC-V Fixes for 5.9-rc6 (or shortly after)	2020-09-20 10:51:11 -07:00
lib	RISC-V Patches for the 5.7 Merge Window, Part 1	2020-04-09 10:51:30 -07:00
mm	riscv: Add sfence.vma after early page table changes	2020-09-19 13:20:13 -07:00
net	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
Kbuild	riscv: Allow device trees to be built into the kernel	2020-05-18 11:38:05 -07:00
Kconfig	RISC-V: Resurrect the MMIO timer implementation for M-mode systems	2020-09-19 13:21:11 -07:00
Kconfig.debug	RISC-V: Remove EARLY_PRINTK support	2018-12-17 10:23:46 -08:00
Kconfig.socs	RISC-V: Remove CLINT related code from timer and arch	2020-08-20 10:58:13 -07:00
Makefile	RISC-V Patches for the 5.7 Merge Window, Part 1	2020-04-09 10:51:30 -07:00