Messages in this thread | | | Date | Fri, 24 Aug 2012 20:45:32 +0100 | From | "Jan Beulich" <> | Subject | Re: [PATCH] xen: fix logical error in tlb flushing |
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>>> 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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