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Thu, 19 Mar 2026 18:47:01 +0000 Message-ID: Date: Thu, 19 Mar 2026 11:46:57 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/5] x86: Enable LASS support with vsyscall=xonly mode Content-Language: en-US To: Dave Hansen , , "Andy Lutomirski" , Borislav Petkov CC: Jonathan Corbet , Shuah Khan , Thomas Gleixner , Ingo Molnar , "H . 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This series extends LASS > support specifically to the default mode (vsyscall=xonly). > x86 maintainers, this series seems to be ready to me. Are there any additional changes you are looking for? There are a couple of small vsyscall related improvements that are based on this series. They are completely independent of LASS, so I haven't included them here. https://lore.kernel.org/lkml/20260305232136.224922-1-hpa@zytor.com/ https://lore.kernel.org/lkml/51f5dc8d-e130-4769-84e2-588553c7fde3@intel.com/ Please let me know if you would prefer that I include them at the end and send out another version. > Sohil Mehta (5): > x86/vsyscall: Reorganize the page fault emulation code > x86/traps: Consolidate user fixups in the #GP handler > x86/vsyscall: Restore vsyscall=xonly mode under LASS > x86/vsyscall: Disable LASS if vsyscall mode is set to EMULATE > x86/cpu: Remove LASS restriction on vsyscall emulation > > .../admin-guide/kernel-parameters.txt | 4 +- > arch/x86/entry/vsyscall/vsyscall_64.c | 91 ++++++++++++------- > arch/x86/include/asm/vsyscall.h | 13 ++- > arch/x86/kernel/cpu/common.c | 15 --- > arch/x86/kernel/traps.c | 12 ++- > arch/x86/kernel/umip.c | 3 + > arch/x86/mm/fault.c | 2 +- > 7 files changed, 79 insertions(+), 61 deletions(-) > > > base-commit: 68400c1aaf02636a97c45ba198110b66feb270a9