[PATCH v2 06/16] arm64: entry.S: convert elX_sync
James Morse
james.morse at arm.com
Thu Aug 10 09:57:48 PDT 2017
Hi Catalin,
On 09/08/17 18:25, Catalin Marinas wrote:
> On Fri, Jul 28, 2017 at 03:10:09PM +0100, James Morse wrote:
>> @@ -520,9 +514,16 @@ el1_preempt:
>> el0_sync:
>> kernel_entry 0
>> mrs x25, esr_el1 // read the syndrome register
>> + mrs x26, far_el1
>
> Just checking, since we are going to access far_el1 even when we get a
> syscall, have you noticed any overhead?
Good point, I haven't checked because I've been doing all this with the software
model.
I will set this running on Seattle overnight, results in v3's cover letter.
Thanks!
James
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