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Groups > linux.kernel > #1653419
| From | Dominik Brodowski <linux@dominikbrodowski.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [tip:x86/urgent] x86/PAT: Fix Xorg regression on CPUs that don't support PAT |
| Date | 2017-05-30 19:30 +0200 |
| Message-ID | <tMT7X-1Nk-1@gated-at.bofh.it> (permalink) |
| References | <txGFI-1tx-19@gated-at.bofh.it> <tKBId-15d-3@gated-at.bofh.it> <tMbgC-5BS-17@gated-at.bofh.it> <tMbqh-5Fh-3@gated-at.bofh.it> <tMBNL-6Il-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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Same boot problem here (Intel(R) Core(TM) i5-5200U CPU on a Dell XPS 13),
git-bisected to the same patch...
On Mon, May 29, 2017 at 06:50:57PM -0400, Mikulas Patocka wrote:
> Please do the following three tests and test if the kernel boots.
>
> 1. use the PAT patch and revert the change to the function pat_enabled()
> - i.e. change it to the original:
> bool pat_enabled(void)
> {
> return !!__pat_enabled;
> }
No joy.
> 2. use the PAT patch and revert the change to the function pat_ap_init
> - i.e. change it to the original:
> static void pat_ap_init(u64 pat)
> {
> if (!boot_cpu_has(X86_FEATURE_PAT)) {
Joy.
> 3. use the full PAT patch and apply the below patch on the top of it.
No joy.
Best,
Dominik
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Re: [tip:x86/urgent] x86/PAT: Fix Xorg regression on CPUs that don't support PAT Bernhard Held <berny156@gmx.de> - 2017-05-28 20:40 +0200
Re: [tip:x86/urgent] x86/PAT: Fix Xorg regression on CPUs that don't support PAT Andy Lutomirski <luto@kernel.org> - 2017-05-28 20:50 +0200
Re: [tip:x86/urgent] x86/PAT: Fix Xorg regression on CPUs that don't support PAT Mikulas Patocka <mpatocka@redhat.com> - 2017-05-30 01:00 +0200
Re: [tip:x86/urgent] x86/PAT: Fix Xorg regression on CPUs that don't support PAT Dominik Brodowski <linux@dominikbrodowski.net> - 2017-05-30 19:30 +0200
Re: [tip:x86/urgent] x86/PAT: Fix Xorg regression on CPUs that don't support PAT Mikulas Patocka <mpatocka@redhat.com> - 2017-05-30 20:00 +0200
Re: [tip:x86/urgent] x86/PAT: Fix Xorg regression on CPUs that don't support PAT Dominik Brodowski <linux@dominikbrodowski.net> - 2017-05-30 20:50 +0200
Re: [tip:x86/urgent] x86/PAT: Fix Xorg regression on CPUs that don't support PAT Bernhard Held <berny156@gmx.de> - 2017-05-30 21:40 +0200
Re: [tip:x86/urgent] x86/PAT: Fix Xorg regression on CPUs that don't support PAT Junichi Nomura <j-nomura@ce.jp.nec.com> - 2017-05-31 11:50 +0200
[PATCH v2] X86: don't report PAT on CPUs that don't support it Mikulas Patocka <mpatocka@redhat.com> - 2017-06-07 00:50 +0200
Re: [PATCH v2] X86: don't report PAT on CPUs that don't support it Andy Lutomirski <luto@kernel.org> - 2017-06-07 01:00 +0200
Re: [PATCH v2] X86: don't report PAT on CPUs that don't support it Mikulas Patocka <mpatocka@redhat.com> - 2017-06-07 01:30 +0200
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