Peter Zijlstra 2e7e5bbb1c x86: Fix kthread unwind ... The rewrite of ret_from_form() misplaced an unwind hint which caused all kthread stack unwinds to be marked unreliable, breaking livepatching. Restore the annotation and add a comment to explain the how and why of things. Fixes: 3aec4ecb3d ("x86: Rewrite ret_from_fork() in C") Reported-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: Petr Mladek <pmladek@suse.com> Link: https://lkml.kernel.org/r/20230719201538.GA3553016@hirez.programming.kicks-ass.net		2023-07-20 23:03:50 +02:00
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syscalls	cachestat: implement cachestat syscall	2023-06-09 16:25:16 -07:00
vdso	x86/vdso: Include vdso/processor.h	2023-05-18 11:56:18 -07:00
vsyscall	x86: Allow atomic MM_CONTEXT flags setting	2023-03-16 13:08:39 -07:00
Makefile	x86/entry: Build thunk_$(BITS) only if CONFIG_PREEMPTION=y	2022-08-04 12:23:50 +02:00
calling.h	x86/retbleed: Add fine grained Kconfig knobs	2022-06-29 17:43:41 +02:00
common.c	X86 entry code related updates:	2021-06-29 12:44:51 -07:00
entry.S	x86/bugs: Add retbleed=ibpb	2022-06-27 10:34:00 +02:00
entry_32.S	x86: Rewrite ret_from_fork() in C	2023-07-10 09:52:25 +02:00
entry_64.S	x86: Fix kthread unwind	2023-07-20 23:03:50 +02:00
entry_64_compat.S	- Add the call depth tracking mitigation for Retbleed which has	2022-12-14 15:03:00 -08:00
syscall_32.c	x86/syscalls: Stop filling syscall arrays with *_sys_ni_syscall	2021-05-20 15:03:59 +02:00
syscall_64.c	x86/syscalls: Stop filling syscall arrays with *_sys_ni_syscall	2021-05-20 15:03:59 +02:00
syscall_x32.c	x86/syscalls: Stop filling syscall arrays with *_sys_ni_syscall	2021-05-20 15:03:59 +02:00
thunk_32.S	x86/entry: Build thunk_$(BITS) only if CONFIG_PREEMPTION=y	2022-08-04 12:23:50 +02:00
thunk_64.S	x86/entry: Move thunk restore code into thunk functions	2023-06-07 09:54:45 -07:00