[Xen-devel] [PATCH v3 0/2] x86/xpti: Don't leak TSS-adjacent percpu data via Meltdown

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

Fix data leakage caused by insufficient linker level alignment.

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          |  7 +++++--
 xen/arch/x86/setup.c            |  3 ---
 xen/arch/x86/traps.c            |  6 ++++++
 xen/arch/x86/xen.lds.S          |  9 +++++++--
 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, 32 insertions(+), 19 deletions(-)

-- 
2.11.0


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel