iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

x86/entry: Fix noinstr fail in __do_fast_syscall_32()

Browse Source 
[ Upstream commit 240001d4e3041832e8a2654adc3ccf1683132b92 ]

Fix:

  vmlinux.o: warning: objtool: __do_fast_syscall_32()+0xf5: call to trace_hardirqs_off() leaves .noinstr.text section

Fixes: 5d5675df792f ("x86/entry: Fix entry/exit mismatch on failed fast 32-bit syscalls")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210621120120.467898710@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Peter Zijlstra 2021-06-21 13:12:34 +02:00 committed by Sasha Levin
parent cf59354875
commit cb83c99cf6
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/entry/common.c
View File

@ -127,8 +127,8 @@ static noinstr bool __do_fast_syscall_32(struct pt_regs *regs)
/* User code screwed up. */
regs->ax = -EFAULT;
instrumentation_end();
local_irq_disable();
instrumentation_end();
irqentry_exit_to_user_mode(regs);
return false;
}