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Date: Fri, 9 Sep 2022 13:15:38 -0700 From: "Chang S. Bae" <chang.seok.bae@...el.com> To: x86@...nel.org, tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com Cc: hpa@...or.com, corbet@....net, bagasdotme@...il.com, tony.luck@...el.com, yang.zhong@...el.com, linux-doc@...r.kernel.org, linux-man@...r.kernel.org, linux-kernel@...r.kernel.org, chang.seok.bae@...el.com Subject: [PATCH v4 2/4] x86/arch_prctl: Add AMX feature numbers as ABI constants AMX state is dynamically enabled by the architecture-specific prctl(). Expose the state components as ABI constants. They become handy not to be looked up from the architecture specification. Signed-off-by: Chang S. Bae <chang.seok.bae@...el.com> Reviewed-by: Tony Luck <tony.luck@...el.com> Cc: x86@...nel.org Cc: linux-kernel@...r.kernel.org --- Changes from v2: * Add as a new patch (Tony Luck). --- arch/x86/include/uapi/asm/prctl.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/include/uapi/asm/prctl.h b/arch/x86/include/uapi/asm/prctl.h index 500b96e71f18..f298c778f856 100644 --- a/arch/x86/include/uapi/asm/prctl.h +++ b/arch/x86/include/uapi/asm/prctl.h @@ -16,6 +16,9 @@ #define ARCH_GET_XCOMP_GUEST_PERM 0x1024 #define ARCH_REQ_XCOMP_GUEST_PERM 0x1025 +#define ARCH_XCOMP_TILECFG 17 +#define ARCH_XCOMP_TILEDATA 18 + #define ARCH_MAP_VDSO_X32 0x2001 #define ARCH_MAP_VDSO_32 0x2002 #define ARCH_MAP_VDSO_64 0x2003 -- 2.17.1
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