Mattias Nissler 713c335e5a riscv: Avoid enabling interrupts in die() ... [ Upstream commit 130aee3fd9981297ff9354e5d5609cd59aafbbea ] While working on something else, I noticed that the kernel would start accepting interrupts again after crashing in an interrupt handler. Since the kernel is already in inconsistent state, enabling interrupts is dangerous and opens up risk of kernel state deteriorating further. Interrupts do get enabled via what looks like an unintended side effect of spin_unlock_irq, so switch to the more cautious spin_lock_irqsave/spin_unlock_irqrestore instead. Fixes: 76d2a0493a ("RISC-V: Init and Halt Code") Signed-off-by: Mattias Nissler <mnissler@rivosinc.com> Reviewed-by: Björn Töpel <bjorn@kernel.org> Link: https://lore.kernel.org/r/20230215144828.3370316-1-mnissler@rivosinc.com Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2023-03-17 08:45:08 +01:00
..
vdso	riscv: vdso: fix section overlapping under some conditions	2022-12-08 11:23:57 +01:00
.gitignore	.gitignore: add SPDX License Identifier	2020-03-25 11:50:48 +01:00
asm-offsets.c	riscv: Cleanup unnecessary define in asm-offset.c	2020-07-30 11:37:44 -07:00
cacheinfo.c	drivers: base: cacheinfo: Get rid of DEFINE_SMP_CALL_CACHE_FUNCTION()	2021-09-26 14:08:59 +02:00
cpu_ops_sbi.c	RISC-V: Support cpu hotplug	2020-03-31 11:28:30 -07:00
cpu_ops_spinwait.c	RISC-V: Add cpu_ops and modify default booting method	2020-03-31 11:25:56 -07:00
cpu_ops.c	treewide: Convert macro and uses of __section(foo) to __section("foo")	2020-10-25 14:51:49 -07:00
cpu-hotplug.c	RISC-V: Support cpu hotplug	2020-03-31 11:28:30 -07:00
cpu.c	RISC-V: Rename and move plic_find_hart_id() to arch directory	2020-06-09 19:11:20 -07:00
cpufeature.c	RISC-V: Add bitmap reprensenting ISA features common across CPUs	2020-05-04 14:08:59 -07:00
efi-header.S	RISC-V: Add PE/COFF header for EFI stub	2020-10-02 14:31:16 -07:00
efi.c	riscv: read-only pages should not be writable	2022-06-14 18:32:36 +02:00
entry.S	riscv: fix oops caused by irqsoff latency tracer	2022-03-02 11:42:56 +01:00
fpu.S	riscv: abstract out CSR names for supervisor vs machine mode	2019-11-05 09:20:42 -08:00
ftrace.c	risc-v: kernel: ftrace: Fixes improper SPDX comment style	2020-11-04 13:28:20 -08:00
head.h	RISC-V: Move DT mapping outof fixmap	2020-10-02 14:30:57 -07:00
head.S	riscv: Initialize thread pointer before calling C functions	2022-06-09 10:20:47 +02:00
image-vars.h	RISC-V: Add PE/COFF header for EFI stub	2020-10-02 14:31:16 -07:00
irq.c	RISC-V: Remove do_IRQ() function	2020-06-09 19:11:24 -07:00
jump_label.c	riscv: Add jump-label implementation	2020-07-30 11:37:43 -07:00
kgdb.c	riscv: Fix "no previous prototype" compile warning in kgdb.c file	2020-07-09 20:09:30 -07:00
Makefile	riscv: fix oops caused by irqsoff latency tracer	2022-03-02 11:42:56 +01:00
mcount-dyn.S	riscv/ftrace: Add DYNAMIC_FTRACE_WITH_REGS support	2018-04-02 19:59:13 -07:00
mcount.S	riscv: Workaround mcount name prior to clang-13	2021-05-22 11:40:53 +02:00
module-sections.c	riscv: add missing header file includes	2019-10-28 00:46:01 -07:00
module.c	riscv: Fix auipc+jalr relocation range checks	2022-03-16 14:16:01 +01:00
patch.c	riscv: patch_text: Fixup last cpu should be master	2022-05-09 09:04:59 +02:00
perf_callchain.c	uaccess: fix type mismatch warnings from access_ok()	2022-04-08 14:40:35 +02:00
perf_event.c	riscv: perf_event: Make some funciton static	2020-05-11 13:48:19 -07:00
perf_regs.c	perf/arch: Remove perf_sample_data::regs_user_copy	2020-11-09 18:12:34 +01:00
process.c	arch: setup PF_IO_WORKER threads like PF_KTHREAD	2023-01-04 11:39:22 +01:00
ptrace.c	riscv: Ensure the value of FP registers in the core dump file is up to date	2021-09-03 10:09:22 +02:00
reset.c	riscv: set default pm_power_off to NULL	2022-08-21 15:15:21 +02:00
riscv_ksyms.c	riscv: Add KASAN support	2020-01-22 13:09:58 -08:00
sbi.c	RISC-V: Add mechanism to provide custom IPI operations	2020-08-20 10:55:40 -07:00
setup.c	riscv: fix reserved memory setup	2022-11-16 09:57:14 +01:00
signal.c	riscv: add support for TIF_NOTIFY_SIGNAL	2023-01-04 11:39:21 +01:00
smp.c	RISC-V: Fix error code returned by riscv_hartid_to_cpuid()	2021-05-19 10:13:06 +02:00
smpboot.c	riscv: topology: fix default topology reporting	2022-10-30 09:41:19 +01:00
soc.c	mm: introduce include/linux/pgtable.h	2020-06-09 09:39:13 -07:00
stacktrace.c	riscv: stacktrace: Fixup ftrace_graph_ret_addr retp argument	2023-01-14 10:16:42 +01:00
sys_riscv.c	riscv: Allow PROT_WRITE-only mmap()	2022-10-26 13:25:10 +02:00
syscall_table.c	riscv: add missing header file includes	2019-10-28 00:46:01 -07:00
time.c	RISC-V: time: initialize hrtimer based broadcast clock event device	2023-03-11 16:39:27 +01:00
trace_irq.c	riscv: fix oops caused by irqsoff latency tracer	2022-03-02 11:42:56 +01:00
trace_irq.h	riscv: fix oops caused by irqsoff latency tracer	2022-03-02 11:42:56 +01:00
traps_misaligned.c	riscv: Unaligned load/store handling for M_MODE	2020-04-03 10:45:33 -07:00
traps.c	riscv: Avoid enabling interrupts in die()	2023-03-17 08:45:08 +01:00
vdso.c	riscv/vdso: make arch_setup_additional_pages wait for mmap_sem for write killable	2021-10-13 10:04:29 +02:00
vmlinux.lds.S	RISC-V Patches for the 5.10 Merge Window, Part 1	2020-10-19 18:18:30 -07:00