Messages in this thread Patch in this message | | | From | "Chang S. Bae" <> | Subject | [PATCH v5 2/4] x86/arch_prctl: Add AMX feature numbers as ABI constants | Date | Thu, 22 Sep 2022 12:58:08 -0700 |
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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@intel.com> Reviewed-by: Tony Luck <tony.luck@intel.com> Cc: x86@kernel.org Cc: linux-kernel@vger.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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