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SubjectRe: [PATCH 1/6] x86/traps: add X86_NR_HW_TRAPS to <asm/trapnr.h>
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On 5/10/21 5:55 PM, H. Peter Anvin wrote:
> From: "H. Peter Anvin (Intel)" <hpa@zytor.com>
>
> The x86 architecture supports up to 32 trap vectors. Add that constant
> to <asm/trapnr.h>.
>
> Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
> ---
> arch/x86/include/asm/trapnr.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/x86/include/asm/trapnr.h b/arch/x86/include/asm/trapnr.h
> index f5d2325aa0b7..f0baf92da20b 100644
> --- a/arch/x86/include/asm/trapnr.h
> +++ b/arch/x86/include/asm/trapnr.h
> @@ -27,6 +27,7 @@
> #define X86_TRAP_VE 20 /* Virtualization Exception */
> #define X86_TRAP_CP 21 /* Control Protection Exception */
> #define X86_TRAP_VC 29 /* VMM Communication Exception */
> +#define X86_NR_HW_TRAPS 32 /* Max hardware trap number */
> #define X86_TRAP_IRET 32 /* IRET Exception */
>
> #endif
>

Acked-by: Andy Lutomirski <luto@kernel.org>

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