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2024-01-10x86/bugs: Rename CONFIG_PAGE_TABLE_ISOLATION => ↵Breno Leitao1-3/+3
CONFIG_MITIGATION_PAGE_TABLE_ISOLATION Step 4/10 of the namespace unification of CPU mitigations related Kconfig options. [ mingo: Converted new uses that got added since the series was posted. ] Suggested-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Breno Leitao <leitao@debian.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Josh Poimboeuf <jpoimboe@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/r/20231121160740.1249350-5-leitao@debian.org
2023-12-12x86/docs: Remove reference to syscall trampoline in PTINikolay Borisov1-6/+4
Commit bf904d2762ee ("x86/pti/64: Remove the SYSCALL64 entry trampoline") removed the syscall trampoline and instead opted to enable using the default SYSCALL64 entry point by mapping the percpu TSS. Unfortunately, the PTI documentation wasn't updated when the respective changes were made, so bring the doc up to speed. Signed-off-by: Nikolay Borisov <nik.borisov@suse.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20231102130204.41043-1-nik.borisov@suse.com
2023-03-30docs: move x86 documentation into Documentation/arch/Jonathan Corbet1-0/+195
Move the x86 documentation under Documentation/arch/ as a way of cleaning up the top-level directory and making the structure of our docs more closely match the structure of the source directories it describes. All in-kernel references to the old paths have been updated. Acked-by: Dave Hansen <dave.hansen@linux.intel.com> Cc: linux-arch@vger.kernel.org Cc: x86@kernel.org Cc: Borislav Petkov <bp@alien8.de> Cc: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/lkml/20230315211523.108836-1-corbet@lwn.net/ Signed-off-by: Jonathan Corbet <corbet@lwn.net>