Messages in this thread | | | Subject | Re: [Xen-devel] [PATCH v2] x86/xen: init %gs very early to avoid page faults with stack protector | From | Juergen Gross <> | Date | Fri, 2 Feb 2018 06:56:24 +0100 |
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On 02/02/18 01:36, Chris Patterson wrote: > Works great, tested it and it fixes booting Linux v4.15 kernel for me :)
Can I add your "Tested-by:" to the patch when committing it?
Juergen
> > Cheers! > > On Thu, Feb 1, 2018 at 3:17 PM, Boris Ostrovsky > <boris.ostrovsky@oracle.com> wrote: >> On 02/01/2018 07:40 AM, Juergen Gross wrote: >>> When running as Xen pv guest %gs is initialized some time after >>> C code is started. Depending on stack protector usage this might be >>> too late, resulting in page faults. >>> >>> So setup %gs and MSR_GS_BASE in assembly code already. >>> >>> Cc: stable@vger.kernel.org >>> Signed-off-by: Juergen Gross <jgross@suse.com> >> >> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> >> >> >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@lists.xenproject.org >> https://lists.xenproject.org/mailman/listinfo/xen-devel >
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