Messages in this thread | | | Date | Tue, 27 Feb 2024 14:08:23 +0800 | Subject | Re: [PATCH v2 0/2] x86/cpu: fix invalid MTRR mask values for SEV or TME | From | Yin Fengwei <> |
| |
Hi Dave,
On 2/27/24 00:21, Dave Hansen wrote: > On 2/25/24 17:57, Yin Fengwei wrote: >> On 2/23/24 02:08, Paolo Bonzini wrote: >>> On Thu, Feb 22, 2024 at 7:07 PM Dave Hansen <dave.hansen@intel.com> wrote: >>>>> Ping, in the end are we applying these patches for either 6.8 or 6.9? >>>> Let me poke at them and see if we can stick them in x86/urgent early >>>> next week. They do fix an actual bug that's biting people, right? >>> Yes, I have gotten reports of {Sapphire,Emerald} Rapids machines that >>> don't boot at all without either these patches or >>> "disable_mtrr_cleanup". >> We tried platform other than Sapphire and Emerald. This patchset can fix >> boot issues on that platform also. > > Fengwei, could you also test this series on the troublesome hardware, > please? > >> https://lore.kernel.org/all/20240222183926.517AFCD2@davehans-spike.ostc.intel.com/ > > If it _also_ fixes the problem, it'll be a strong indication that it's > the right long-term approach. I tried your patchset on a Sapphire machine which is the only one broken machine I can access today. The base commit is 45ec2f5f6ed3 from the latest linus tree.
Without your patchset, the system boot hang. With your patchset, the system boot successfully.
Regards Yin, Fengwei
| |