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authorLinus Torvalds <torvalds@linux-foundation.org>2023-04-28 09:32:34 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-04-28 09:32:34 -0700
commite54debe657109f1728312f9cb5ccae6f737b7dd1 (patch)
treee9fc4bc276b4f5eca4fa19c39282ab3a1fce5297 /arch
parent4980c176a71706f3621d5c1674266de54a689cb1 (diff)
parent5fbff260755750559aa12a30f6fa7f8a863666f1 (diff)
Merge tag 'x86_fpu_for_6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fpu updates from Dave Hansen: "There's no _actual_ kernel functionality here. This expands the documentation around AMX support including some code examples. The example code also exposed the fact that hardware architecture constants as part of the ABI, but there's no easy place that they get defined for apps. Adding them to a uabi header will eventually make life easier for consumers of the ABI. Summary: - Improve AMX documentation along with example code - Explicitly make some hardware constants part of the uabi" * tag 'x86_fpu_for_6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: Documentation/x86: Explain the state component permission for guests Documentation/x86: Add the AMX enabling example x86/arch_prctl: Add AMX feature numbers as ABI constants Documentation/x86: Explain the purpose for dynamic features
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/uapi/asm/prctl.h3
1 files changed, 3 insertions, 0 deletions
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