Re: [RFC PATCH 2/8] x86: add CPU field to struct thread_info
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From: Borislav Petkov <bp@alien8.de>
Date: 2021-09-21 12:54:45
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On Tue, Sep 14, 2021 at 02:10:30PM +0200, Ard Biesheuvel wrote:
quoted hunk ↗ jump to hunk
The CPU field will be moved back into thread_info even when THREAD_INFO_IN_TASK is enabled, so add it back to x86's definition of struct thread_info. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> --- arch/x86/include/asm/thread_info.h | 3 +++ 1 file changed, 3 insertions(+)diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h index cf132663c219..ebec69c35e95 100644 --- a/arch/x86/include/asm/thread_info.h +++ b/arch/x86/include/asm/thread_info.h@@ -57,6 +57,9 @@ struct thread_info { unsigned long flags; /* low level flags */ unsigned long syscall_work; /* SYSCALL_WORK_ flags */ u32 status; /* thread synchronous flags */ +#ifdef CONFIG_SMP + u32 cpu; /* current CPU */ +#endif }; #define INIT_THREAD_INFO(tsk) \--
Acked-by: Borislav Petkov <redacted>
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Regards/Gruss,
Boris.
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