Re: [Xen-devel] [PATCH v2] x86/xen: init %gs very early to avoid page faults with stack protector

2018-02-02 Thread Chris Patterson
On Fri, Feb 2, 2018 at 12:56 AM, Juergen Gross wrote: > 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? > > Sure thing, have a great day.

Re: [Xen-devel] [PATCH v2] x86/xen: init %gs very early to avoid page faults with stack protector

2018-02-02 Thread Chris Patterson
On Fri, Feb 2, 2018 at 12:56 AM, Juergen Gross wrote: > 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? > > Sure thing, have a great day.

Re: [Xen-devel] [PATCH v2] x86/xen: init %gs very early to avoid page faults with stack protector

2018-02-02 Thread Juergen Gross
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 > wrote: >>

Re: [Xen-devel] [PATCH v2] x86/xen: init %gs very early to avoid page faults with stack protector

2018-02-02 Thread Juergen Gross
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 > wrote: >> On 02/01/2018 07:40 AM,

Re: [Xen-devel] [PATCH v2] x86/xen: init %gs very early to avoid page faults with stack protector

2018-02-01 Thread Chris Patterson
Works great, tested it and it fixes booting Linux v4.15 kernel for me :) Cheers! On Thu, Feb 1, 2018 at 3:17 PM, Boris Ostrovsky 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

Re: [Xen-devel] [PATCH v2] x86/xen: init %gs very early to avoid page faults with stack protector

2018-02-01 Thread Chris Patterson
Works great, tested it and it fixes booting Linux v4.15 kernel for me :) Cheers! On Thu, Feb 1, 2018 at 3:17 PM, Boris Ostrovsky 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

Re: [Xen-devel] [PATCH v2] x86/xen: init %gs very early to avoid page faults with stack protector

2018-02-01 Thread Boris Ostrovsky
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:

Re: [Xen-devel] [PATCH v2] x86/xen: init %gs very early to avoid page faults with stack protector

2018-02-01 Thread Boris Ostrovsky
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: