[PATCH v4 02/29] x86/mm: add ARCH_PKEY_BITS to Kconfig
STALE774d
From: Joey Gouly <joey.gouly@arm.com>
Date: 2024-05-03 13:02:02
Also in:
kvmarm, linux-arm-kernel, linux-fsdevel, linux-mm
Subsystem:
the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
The new config option specifies how many bits are in each PKEY. Signed-off-by: Joey Gouly <joey.gouly@arm.com> Cc: Thomas Gleixner <redacted> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: x86@kernel.org --- arch/x86/Kconfig | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 928820e61cb5..109e767d36e7 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig@@ -1879,6 +1879,10 @@ config X86_INTEL_MEMORY_PROTECTION_KEYS If unsure, say y. +config ARCH_PKEY_BITS + int + default 4 + choice prompt "TSX enable mode" depends on CPU_SUP_INTEL
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2.25.1