On Tue, Jun 30, 2020 at 02:13:36PM +0200, Jan Beulich wrote:
> On 26.06.2020 17:57, Roger Pau Monne wrote:
> > Commit e9aca9470ed86 introduced a regression when avoiding sending
> > IPIs for certain flush operations. Xen page fault handler
> > (spurious_page_fault) relies on blocking interrupts in
ich ;
> Wei Liu
> Subject: Re: [PATCH for-4.14 v4] x86/tlb: fix assisted flush usage
>
> Hi Roger,
>
> On 26/06/2020 16:57, Roger Pau Monne wrote:
> > Commit e9aca9470ed86 introduced a regression when avoiding sending
> > IPIs for certain flush operations. Xen pag
Hi Roger,
On 26/06/2020 16:57, Roger Pau Monne wrote:
Commit e9aca9470ed86 introduced a regression when avoiding sending
IPIs for certain flush operations. Xen page fault handler
(spurious_page_fault) relies on blocking interrupts in order to
prevent handling TLB flush IPIs and thus preventing o
On 26.06.2020 17:57, Roger Pau Monne wrote:
> Commit e9aca9470ed86 introduced a regression when avoiding sending
> IPIs for certain flush operations. Xen page fault handler
> (spurious_page_fault) relies on blocking interrupts in order to
> prevent handling TLB flush IPIs and thus preventing other
Commit e9aca9470ed86 introduced a regression when avoiding sending
IPIs for certain flush operations. Xen page fault handler
(spurious_page_fault) relies on blocking interrupts in order to
prevent handling TLB flush IPIs and thus preventing other CPUs from
removing page tables pages. Switching to a