[v2] x86/xpti: Don't leak TSS-adjacent percpu data via Meltdown

[Xen-devel] [PATCH v2 0/2] x86/xpti: Don't leak TSS-adjacent percpu data via Meltdown

Andrew Cooper posted 2 patches 4 years, 9 months ago

Diff against v1 v3 v4
Download series mbox

Patches applied successfully (tree, apply log)
git fetch https://github.com/patchew-project/xen tags/patchew/20190726203222.4833-1-andrew.cooper3@citrix.com

There is a newer version of this series

xen/arch/arm/xen.lds.S          |  5 +++--
xen/arch/x86/setup.c            |  3 ---
xen/arch/x86/traps.c            |  6 ++++++
xen/arch/x86/xen.lds.S          |  7 +++++--
xen/include/asm-arm/percpu.h    |  6 ++----
xen/include/asm-x86/percpu.h    |  6 ++----
xen/include/asm-x86/processor.h |  4 ++--
xen/include/xen/percpu.h        | 10 ++++++++--
8 files changed, 28 insertions(+), 19 deletions(-)

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[Xen-devel] [PATCH v2 0/2] x86/xpti: Don't leak TSS-adjacent percpu data via Meltdown

Posted by Andrew Cooper 4 years, 9 months ago

Reworked to allow DEFINE_PER_CPU_PAGE_ALIGNED() to specify the
__aligned(PAGE_SIZE) itself.

Andrew Cooper (2):
  xen/link: Introduce .bss.percpu.page_aligned
  x86/xpti: Don't leak TSS-adjacent percpu data via Meltdown

 xen/arch/arm/xen.lds.S          |  5 +++--
 xen/arch/x86/setup.c            |  3 ---
 xen/arch/x86/traps.c            |  6 ++++++
 xen/arch/x86/xen.lds.S          |  7 +++++--
 xen/include/asm-arm/percpu.h    |  6 ++----
 xen/include/asm-x86/percpu.h    |  6 ++----
 xen/include/asm-x86/processor.h |  4 ++--
 xen/include/xen/percpu.h        | 10 ++++++++--
 8 files changed, 28 insertions(+), 19 deletions(-)

-- 
2.11.0


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