[TLDR: This mail in primarily relevant for Linux kernel regression
tracking. See link in footer if these mails annoy you.]
On 26.07.23 07:06, Kees Cook wrote:
> On Tue, Jul 25, 2023 at 03:34:26PM +0200, Juergen Gross wrote:
>> On 25.07.23 15:24, Juergen Gross wrote:
>>> On 23.07.23 02:06, Nathan
On 17.10.22 02:23, Marek Marczykowski-Górecki wrote:
> On Sun, Oct 16, 2022 at 01:08:53PM +0200, Thorsten Leemhuis wrote:
>>> Denis Chancogne 2022-10-13 22:00:19 UTC
>>>
>>> when I start Xen 4.15.3 in efi with kernel 5.18.19, all works well;
>>> but since k
Hi, this is your Linux kernel regression tracker speaking.
I noticed a regression report in bugzilla.kernel.org. As many (most?)
kernel developer don't keep an eye on it, I decided to forward it by
mail. Quoting from https://bugzilla.kernel.org/show_bug.cgi?id=216581 :
> Denis Chancogne
On 16.08.22 18:16, Chuck Zmudzinski wrote:
> On 8/16/2022 10:41 AM, Thorsten Leemhuis wrote:
>> On 15.08.22 20:17, Chuck Zmudzinski wrote:
>>> On 8/15/2022 2:00 PM, Thorsten Leemhuis wrote:
>>>
>>>> And FWIW: I've seen indicators that a solution to resolve
On 15.08.22 20:17, Chuck Zmudzinski wrote:
> On 8/15/2022 2:00 PM, Thorsten Leemhuis wrote:
>
>> the right people have the issue on their radar again; give them time to
>> breath and work out a solution: it's not something that can be fixed
>> easily within a few min
Hi Chuck!
On 15.08.22 18:56, Chuck Zmudzinski wrote:
>
> I am forwarding this to you to help you cut through the noise.
Sorry for not replying earlier, I ignored this thread and all other
non-urgent mail in the past two weeks: I was on vacation until a few
days ago and when I came home I had to
Hi Juergen!
On 15.07.22 16:25, Juergen Gross wrote:
> Today PAT can't be used without MTRR being available, unless MTRR is at
> least configured via CONFIG_MTRR and the system is running as Xen PV
> guest. In this case PAT is automatically available via the hypervisor,
> but the PAT MSR can't be
On 15.07.22 04:07, Chuck Zmudzinski wrote:
> On 7/14/2022 1:30 AM, Thorsten Leemhuis wrote:
>> On 13.07.22 03:36, Chuck Zmudzinski wrote:
>>> The commit 99c13b8c8896d7bcb92753bf
>>> ("x86/mm/pat: Don't report PAT on CPUs that don't support it")
>>&
On 13.07.22 03:36, Chuck Zmudzinski wrote:
> The commit 99c13b8c8896d7bcb92753bf
> ("x86/mm/pat: Don't report PAT on CPUs that don't support it")
> incorrectly failed to account for the case in init_cache_modes() when
> CPUs do support PAT and falsely reported PAT to be disabled when in
> fact PAT
[CCing tglx, mingo, Boris and Juergen]
On 04.07.22 14:26, Jan Beulich wrote:
> On 04.07.2022 13:58, Thorsten Leemhuis wrote:
>> On 25.05.22 10:55, Jan Beulich wrote:
>>> On 28.04.2022 16:50, Jan Beulich wrote:
>>>> The latest with commit bdd8b6c98239 (&quo
On 25.05.22 10:55, Jan Beulich wrote:
> On 28.04.2022 16:50, Jan Beulich wrote:
>> The latest with commit bdd8b6c98239 ("drm/i915: replace X86_FEATURE_PAT
>> with pat_enabled()") pat_enabled() returning false (because of PAT
>> initialization being suppressed in the absence of MTRRs being
On 20.06.22 07:30, Juergen Gross wrote:
> On 20.06.22 07:22, Thorsten Leemhuis wrote:
>> On 14.06.22 17:09, Juergen Gross wrote:
>>> On 03.05.22 15:22, Juergen Gross wrote:
>>>> x86_has_pat_wp() is using a wrong test, as it relies on the normal
>>>> PAT
On 14.06.22 17:09, Juergen Gross wrote:
> On 03.05.22 15:22, Juergen Gross wrote:
>> x86_has_pat_wp() is using a wrong test, as it relies on the normal
>> PAT configuration used by the kernel. In case the PAT MSR has been
>> setup by another entity (e.g. BIOS or Xen hypervisor) it might return
>>
On 25.05.22 10:37, Jan Beulich wrote:
> On 25.05.2022 09:45, Thorsten Leemhuis wrote:
>> On 24.05.22 20:32, Chuck Zmudzinski wrote:
>>> On 5/21/22 6:47 AM, Thorsten Leemhuis wrote:
>>>> I'm not a developer and I'm don't known the details of this thread and
>&g
On 24.05.22 20:32, Chuck Zmudzinski wrote:
> On 5/21/22 6:47 AM, Thorsten Leemhuis wrote:
>> On 20.05.22 16:48, Chuck Zmudzinski wrote:
>>> On 5/20/2022 10:06 AM, Jan Beulich wrote:
>>>> On 20.05.2022 15:33, Chuck Zmudzinski wrote:
>>>>
On 20.05.22 16:48, Chuck Zmudzinski wrote:
> On 5/20/2022 10:06 AM, Jan Beulich wrote:
>> On 20.05.2022 15:33, Chuck Zmudzinski wrote:
>>> On 5/20/2022 5:41 AM, Jan Beulich wrote:
On 20.05.2022 10:30, Chuck Zmudzinski wrote:
> On 5/20/2022 2:59 AM, Chuck Zmudzinski wrote:
>> On
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