Re: [PATCH 1/2] x86/apic: Introduce X2APIC_ICR_UNUSED_12 for x2APIC mode

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On Mon, Sep 04, 2023 at 09:35:54AM +0800, Tao Su wrote:
>According to SDM, bit12 of ICR is no longer BUSY bit but UNUSED bit in
>x2APIC mode, which is the only difference of lower ICR between xAPIC and
>x2APIC mode. To avoid ambiguity, introduce X2APIC_ICR_UNUSED_12 for
>x2APIC mode.
>
>Signed-off-by: Tao Su <tao1.su@xxxxxxxxxxxxxxx>

Please use scripts/get_maintainer.pl to help create the Cc/To lists.
I believe x86 maintainers should be copied for this patch.

>---
> arch/x86/include/asm/apicdef.h | 1 +
> 1 file changed, 1 insertion(+)
>
>diff --git a/arch/x86/include/asm/apicdef.h b/arch/x86/include/asm/apicdef.h
>index 4b125e5b3187..ea2725738b81 100644
>--- a/arch/x86/include/asm/apicdef.h
>+++ b/arch/x86/include/asm/apicdef.h
>@@ -78,6 +78,7 @@
> #define		APIC_INT_LEVELTRIG	0x08000
> #define		APIC_INT_ASSERT		0x04000
> #define		APIC_ICR_BUSY		0x01000
>+#define		X2APIC_ICR_UNUSED_12	0x01000
> #define		APIC_DEST_LOGICAL	0x00800
> #define		APIC_DEST_PHYSICAL	0x00000
> #define		APIC_DM_FIXED		0x00000
>-- 
>2.34.1
>



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