From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Garnier <thgarnie@google.com>
Subject: Re: [PATCH v3 2/4] x86: Remap GDT tables in the Fixmap section
Date: Wed, 15 Feb 2017 07:41:45 -0800
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References: <20170214194259.75960-1-thgarnie@google.com> <20170214194259.75960-2-thgarnie@google.com>
 <3b2210d0-b76d-48b6-c232-8304d915a755@oracle.com>
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To: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Alexander Potapenko <glider@google.com>, Dmitry Vyukov <dvyukov@google.com>, Kees Cook <keescook@chromium.org>, Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@suse.de>, Paul Gortmaker <paul.gortmaker@windriver.com>, Andy Lutomirski <luto@amacapital.net>, "Rafael J . Wysocki" <rjw@rjwysocki.net>, Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>, Jiri Kosina <jikos@kernel.org>, Matt Fleming <matt@codeblueprint.co.uk>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Juergen Gross <jgross@suse.com>, Rusty Russell <rusty@rustcorp.com.au>, Peter Zijlstra <peterz@infradead.org>, Christian Borntraeger <borntraeger@de.ibm.com>, "Luis R . Rodriguez" <mcgrof@kernel.org>, He Chen <he.chen@linux.intel.com>, Brian
List-Id: linux-pm@vger.kernel.org

On Wed, Feb 15, 2017 at 7:37 AM, Boris Ostrovsky
<boris.ostrovsky@oracle.com> wrote:
> On 02/14/2017 02:42 PM, Thomas Garnier wrote:
>> diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
>> index 0dee6f59ea82..6399bab936cd 100644
>> --- a/arch/x86/xen/smp.c
>> +++ b/arch/x86/xen/smp.c
>> @@ -391,7 +391,7 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
>>       if (ctxt == NULL)
>>               return -ENOMEM;
>>
>> -     gdt = get_cpu_gdt_table(cpu);
>> +     gdt = get_cpu_gdt_rw(cpu);
>>
>>  #ifdef CONFIG_X86_32
>>       ctxt->user_regs.fs = __KERNEL_PERCPU;
>
>
> Which tree are these patches against? The chunk above cannot be applied
> to current Linus tree but it can be applied against Xen staging tree
> that has not been pulled yet.
>
> I can apply this manually but the series crashes PV guests so I want to
> make sure I am using right bits.
>

That was against linux-next (next-20170213 tag).

> -boris
>
>



-- 
Thomas