On 09/02/2018 18:17, Greg KH wrote: > On Fri, Feb 09, 2018 at 06:00:42PM +0100, Paolo Bonzini wrote: >> From: Haozhong Zhang <haozhong.zhang@xxxxxxxxx> >> >> [ upstream commit 2a266f23550be997d783f27e704b9b40c4010292 Mon Sep 17 00:00:00 2001 ] > > Odd date :) Oops... git's fake mbox "From" line. >> >> For example, when two APF's for page ready happen after one exit and >> the first one becomes pending, the second one will result in #DF. >> Instead, just handle the second page fault synchronously. >> >> Reported-by: Ross Zwisler <zwisler@xxxxxxxxx> >> Message-ID: <CAOxpaSUBf8QoOZQ1p4KfUp0jq76OKfGY4Uxs-Gg8ngReD99xww@xxxxxxxxxxxxxx> >> Reported-by: Alec Blayne <ab@xxxxxxxxx> >> Signed-off-by: Haozhong Zhang <haozhong.zhang@xxxxxxxxx> >> Fixes: 664f8e26b00c7673a8303b0d40853a0c24ca93e1 > > So this is only needed for 4.14.y? Yes. 4.13 and 4.15 both work. Paolo