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x86: Mark stop_this_cpu() __noreturn

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vmlinux.o: warning: objtool: smp_stop_nmi_callback()+0x2b: unreachable instruction

0000 0000000000047cf0 <smp_stop_nmi_callback>:
...
0026    47d16:  e8 00 00 00 00          call   47d1b <smp_stop_nmi_callback+0x2b>       47d17: R_X86_64_PLT32   stop_this_cpu-0x4
002b    47d1b:  b8 01 00 00 00          mov    $0x1,%eax

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20220308154319.290905453@infradead.org
This commit is contained in:
Peter Zijlstra
2022-03-08 16:30:47 +01:00
parent 4adb236867
commit f9cdf7ca57
3 changed files with 3 additions and 2 deletions
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arch/x86/include/asm/processor.h
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@@ -835,7 +835,7 @@ bool xen_set_default_idle(void);
#define xen_set_default_idle 0
#endif
void stop_this_cpu(void *dummy);
void __noreturn stop_this_cpu(void *dummy);
void microcode_check(void);
enum l1tf_mitigations {