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Groups > linux.kernel > #1612297
| From | Borislav Petkov <bp@alien8.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 1/2] x86/boot/32: Delete cpuinfo_x86::wp_works_ok |
| Date | 2017-03-29 22:30 +0200 |
| Message-ID | <tqsoa-3FE-17@gated-at.bofh.it> (permalink) |
| References | <tqoXf-188-5@gated-at.bofh.it> <tqoXf-188-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Mar 29, 2017 at 09:48:41AM -0700, Andy Lutomirski wrote:
> Linux refuses to boot if WP doesn't work okay, so tracking whether
> it works serves no purpose. The only use I can see at all for wp_works_ok
> is that it lets Xen bypass test_wp_bit(). If this is truly needed,
> it could be more cleanly handled using X86_FEATURE_XENPV, but it
> looks like Xen can handle test_wp_bit() correctly without special
> cases at all.
>
> Signed-off-by: Andy Lutomirski <luto@kernel.org>
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=6415813bae75feba10b8ca3ed6634a72c2a4d313
What's up?
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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[PATCH v2 1/2] x86/boot/32: Delete cpuinfo_x86::wp_works_ok Andy Lutomirski <luto@kernel.org> - 2017-03-29 18:50 +0200
Re: [PATCH v2 1/2] x86/boot/32: Delete cpuinfo_x86::wp_works_ok Borislav Petkov <bp@alien8.de> - 2017-03-29 22:30 +0200
Re: [PATCH v2 1/2] x86/boot/32: Delete cpuinfo_x86::wp_works_ok Andy Lutomirski <luto@amacapital.net> - 2017-03-29 23:10 +0200
Re: [PATCH v2 1/2] x86/boot/32: Delete cpuinfo_x86::wp_works_ok Ingo Molnar <mingo@kernel.org> - 2017-03-30 09:10 +0200
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