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    SubjectRe: [PATCH v2 0/6] Collected vdso/vsyscall fixes for 3.1
    On Wed, Aug 03, 2011 at 09:31:48AM -0400, Andy Lutomirski wrote:
    > This fixes various problems that cropped up with the vdso patches.
    >
    > - Patch 1 fixes an information leak to userspace.
    > - Patches 2 and 3 fix the kernel build on gold.
    > - Patches 4 and 5 fix Xen (I hope).
    > - Patch 6 (optional) adds a trace event to vsyscall emulation. It will
    > make it easier to handle performance regression reports :)

    Hm, you seemed to have the x86 maintainers on your email..
    >
    > [1] https://gitorious.org/linux-test-utils/linux-clock-tests
    >
    > Changes from v1:
    > - Improve changelog message for "x86-64/xen: Enable the vvar mapping"
    > - Fix 32-bit build.
    > - Add patch 6.
    >
    > Andy Lutomirski (6):
    > x86-64: Pad vDSO to a page boundary
    > x86-64: Move the "user" vsyscall segment out of the data segment.
    > x86-64: Work around gold bug 13023
    > x86-64/xen: Enable the vvar mapping
    > x86-64: Add user_64bit_mode paravirt op
    > x86-64: Add vsyscall:emulate_vsyscall trace event
    >
    > arch/x86/include/asm/desc.h | 4 +-
    > arch/x86/include/asm/paravirt_types.h | 6 ++++
    > arch/x86/include/asm/ptrace.h | 19 +++++++++++++
    > arch/x86/kernel/paravirt.c | 4 +++
    > arch/x86/kernel/step.c | 2 +-
    > arch/x86/kernel/vmlinux.lds.S | 46 ++++++++++++++++++---------------
    > arch/x86/kernel/vsyscall_64.c | 12 +++++---
    > arch/x86/kernel/vsyscall_trace.h | 29 ++++++++++++++++++++
    > arch/x86/mm/fault.c | 2 +-
    > arch/x86/vdso/vdso.S | 1 +
    > arch/x86/xen/enlighten.c | 4 +++
    > arch/x86/xen/mmu.c | 4 ++-
    > 12 files changed, 102 insertions(+), 31 deletions(-)
    > create mode 100644 arch/x86/kernel/vsyscall_trace.h
    >
    > --
    > 1.7.6


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