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    SubjectRe: [PATCH] xen: fix logical error in tlb flushing
    >>> On 24.08.12 at 20:17, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> wrote:
    > On Fri, Aug 24, 2012 at 04:16:39PM +0100, Jan Beulich wrote:
    >> >>> On 24.08.12 at 10:55, Alex Shi <alex.shi@intel.com> wrote:
    >> > While TLB_FLUSH_ALL gets passed as 'end' argument to
    >> > flush_tlb_others(), the Xen code was made to check its 'start'
    >> > parameter. That may give a incorrect op.cmd to MMUEXT_INVLPG_MULTI
    >> > instead of MMUEXT_TLB_FLUSH_MULTI. Then it causes some page can not
    >> > be flushed from TLB.
    >> >
    >> > This patch fixed this issue.
    >> >
    >> > Reported-by: Jan Beulich <jbeulich@suse.com>
    >> > Signed-off-by: Alex Shi <alex.shi@intel.com>
    >>
    >> Acked-by: Jan Beulich <jbeulich@suse.com>
    >
    > How can I reproduce this

    I don't know, I spotted this while looking at the code.

    > and should this also go to stable@kernel.org?

    No, the problem got introduced in 3.6-rc1.

    Jan



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