Messages in this thread | | | Date | Fri, 22 Jul 2022 13:34:38 +0200 | From | Peter Zijlstra <> | Subject | Re: retbleed on hygon |
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On Fri, Jul 22, 2022 at 11:17:19AM +0000, Wen Pu wrote: > On 2022/7/18 21:33, Peter Zijlstra wrote: > > On Mon, Jul 18, 2022 at 01:03:41PM +0000, Wen Pu wrote: > >> On 2022/7/18 19:44, Peter Zijlstra wrote: > >>> Hi Pu Wen, > >>> > >>> Now that retbleed is public could you please review the patches in > >>> question and clarify the situation vs Hygon please? For development I've > >>> assumed Hygon is basically Zen1 wrt this issue. > >> > >> Hi Peter, > >> > >> I'm sorry that there is something wrong with my email these days, so I > >> haven't received the patches. Do you mean those with "[peterz: add > >> hygon]" added by you? Thanks a lot for taking Hygon into account. I'll > >> clarify it as soon as possible. > > > > It's not your email, it was a hardware embargo issue so these patches > > have never been mailed out before hitting Linus' tree :-/ > > > > Please double check the entire series, see the merge commit: > > > > ce114c866860 ("Merge tag 'x86_bugs_retbleed' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") > > > > But in specific pay attention to commits: > > > > a149180fbcf336e97ce4eb2cdc13672727feb94d > > 6b80b59b3555706508008f1f127b5412c89c7fd8 > > 3ebc170068885b6fc7bedda6c667bb2c4d533159 > > d7caac991feeef1b871ee6988fd2c9725df09039 > > 26aae8ccbc1972233afd08fb3f368947c0314265 > > > > Basically everything that has HYGON in it. For that first commit, double > > check with your hardware folks the mitigation actually works for Hygon > > too. For the other commits validate it DTRT wrt HYGON. Please also send > > We have checked and confirmed the mitigation works for Hygon, so these > entire series practically DTRT for Hygon. Thanks a lot :)
You're welcome!
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