* Request: x86/xen: Delay get_cpu_cap until stack canary is established
@ 2018-04-19 16:40 Jason Andryuk
2018-04-20 6:41 ` Greg KH
0 siblings, 1 reply; 2+ messages in thread
From: Jason Andryuk @ 2018-04-19 16:40 UTC (permalink / raw)
To: stable
x86/xen: Delay get_cpu_cap until stack canary is established
Upstream commit 36104cb9012a82e73c32a3b709257766b16bcd1d
32bit Xen domains cannot boot without this patch. They crash early in
boot without output because they call into -f-stack-protector code
without the canary established. This patch re-orders code to avoid
that.
I've been running this patch on 4.14 and would like it applied there.
Regards,
Jason
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Request: x86/xen: Delay get_cpu_cap until stack canary is established
2018-04-19 16:40 Request: x86/xen: Delay get_cpu_cap until stack canary is established Jason Andryuk
@ 2018-04-20 6:41 ` Greg KH
0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2018-04-20 6:41 UTC (permalink / raw)
To: Jason Andryuk; +Cc: stable
On Thu, Apr 19, 2018 at 12:40:25PM -0400, Jason Andryuk wrote:
> x86/xen: Delay get_cpu_cap until stack canary is established
>
> Upstream commit 36104cb9012a82e73c32a3b709257766b16bcd1d
>
> 32bit Xen domains cannot boot without this patch. They crash early in
> boot without output because they call into -f-stack-protector code
> without the canary established. This patch re-orders code to avoid
> that.
>
> I've been running this patch on 4.14 and would like it applied there.
Now queued up, thanks.
greg k-h
^ permalink raw reply [flat|nested] 2+ messages in thread
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2018-04-19 16:40 Request: x86/xen: Delay get_cpu_cap until stack canary is established Jason Andryuk
2018-04-20 6:41 ` Greg KH
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