On 11/4/21 5:27 PM, Tim Wiederhake wrote:
> Many things can affect the availability of cpu features (e.g. software
> upgrades, kernel versions, kernel command line, etc.) and invalidate the
> cached capabilities without notice. Add CPUID information to the
> capabilities cache.
>
> Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1953389.
>
> V1: https://listman.redhat.com/archives/libvir-list/2021-August/msg00138.html
>
> Tim Wiederhake (20):
> cpu_x86: Simplify x86ParseCPUID
> cpu_x86: Simplify x86ParseMSR
> cpu_x86: Add x86ParseDataItemList
> cpu: Change virCPUArchDataParse to take xmlNodePtr
> cpu: Split up virCPUDataParse
> cpu: Add virCPUDataIsIdentical
> cpu_x86: Implement virCPUDataIsIdentical for x86
> cpu_arm: No need to protect macro definitions
> cpu_arm: Implement virCPUDataIsIdentical for arm
> cpu_ppc64: Implement virCPUDataIsIdentical for ppc64
> cpu: Add virCPUDataNewCopy
> cpu_x86: Implement virCPUDataNewCopy for x86
> cpu_arm: Implement virCPUDataNewCopy for arm
> cpu_ppc64: Implement virCPUDataNewCopy for ppc64
> virhostcpu: Add virHostCPUGetCPUID
> cpu_x86: Add virCPUDataGetHost
> cpu_x86: Implement virCPUDataGetHost for x86
> virQEMUCaps: Add host cpuid information
> virQEMUCapsCachePriv: Add host cpuid information
> qemu: Invalidate capabilities cache on host cpuid mismatch
>
> src/cpu/cpu.c | 97 +++++++++++-
> src/cpu/cpu.h | 27 +++-
> src/cpu/cpu_arm.c | 54 ++++++-
> src/cpu/cpu_ppc64.c | 44 ++++++
> src/cpu/cpu_x86.c | 296 +++++++++++++++++++++++------------
> src/libvirt_private.syms | 5 +
> src/qemu/qemu_capabilities.c | 33 +++-
> src/qemu/qemu_capspriv.h | 3 +-
> src/util/virhostcpu.c | 43 +++++
> src/util/virhostcpu.h | 2 +
> tests/qemucapsprobe.c | 2 +-
> 11 files changed, 486 insertions(+), 120 deletions(-)
>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Michal