Messages in this thread | | | From | Alexander Potapenko <> | Date | Tue, 23 Aug 2022 10:58:06 +0200 | Subject | Re: [PATCHv6 00/11] Linear Address Masking enabling |
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On Mon, Aug 15, 2022 at 3:43 PM Peter Zijlstra <peterz@infradead.org> wrote: > > On Mon, Aug 15, 2022 at 07:17:52AM +0300, Kirill A. Shutemov wrote: > > > Kirill A. Shutemov (7): > > x86/mm: Fix CR3_ADDR_MASK > > x86: CPUID and CR3/CR4 flags for Linear Address Masking > > mm: Pass down mm_struct to untagged_addr() > > x86/mm: Handle LAM on context switch > > x86/uaccess: Provide untagged_addr() and remove tags before address > > check > > x86/mm: Provide arch_prctl() interface for LAM > > x86: Expose untagging mask in /proc/$PID/arch_status > > Over-all these are not terrible.. I've replied with a few nits; with > those fixed: > > Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
The patchset is green on the LLVM buildbot: https://lab.llvm.org/buildbot/#/builders/169, so my Tested-by: tags persist. I'm going to make minor changes to HWASan runtime to accommodate for the new arch_prctl().
-- Alexander Potapenko Software Engineer
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