[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v2 0/4] Spectre BHB follow up
I reviewed patches #1 and #3. Julien had already started reviewing the other patches in details so it is probably better if he continues his reviews on those. So I skipped them for now. Let me know if you'd like me to review them. On Tue, 31 May 2022, Bertrand Marquis wrote: > Following up the handling of Spectre BHB on Arm (XSA-398), this serie > contain several changes which were not needed in the XSA patches but > should be done in Xen: > - Sync sysregs and cpuinfo with latest version of Linux (5.18-rc3) > - Add new fields inside cpufeature > - Add sb instruction support. Some newer generations of CPU > (Neoverse-N2) do support the instruction so add support for it in Xen. > - Create hidden Kconfig entries for CONFIG_ values actually used in > arm64 cpufeature. > > Changes in v2 > - remove patch which was merged (workaround 1 when workaround 3 is done) > - split sync with linux and update of cpufeatures > - add patch to define kconfig entries used by arm64 cpufeature > > Bertrand Marquis (4): > xen/arm: Sync sysregs and cpuinfo with Linux 5.18-rc3 > xen/arm: Add sb instruction support > arm: add ISAR2, MMFR0 and MMFR1 fields in cpufeature > arm: Define kconfig symbols used by arm64 cpufeatures > > xen/arch/arm/Kconfig | 28 +++++++++ > xen/arch/arm/arm64/cpufeature.c | 18 +++++- > xen/arch/arm/cpufeature.c | 28 +++++++++ > xen/arch/arm/include/asm/arm64/sysregs.h | 76 ++++++++++++++++++++---- > xen/arch/arm/include/asm/cpufeature.h | 34 +++++++++-- > xen/arch/arm/include/asm/macros.h | 33 +++++++--- > xen/arch/arm/setup.c | 3 + > xen/arch/arm/smpboot.c | 1 + > 8 files changed, 193 insertions(+), 28 deletions(-) > > -- > 2.25.1 >
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