On 01/06/2018 03:05 PM, Mark Marshall wrote:
> Hi.
>
> (I've only just subscribed and can't work out how to reply to a message from
> before I subscribed (on my phone), sorry)
>
> In the macro WRMSR_ASM you seem to have lost the wrmsr?
>
>
Yes. That's a bug noticed by Thomas and I'll fix for
On 01/06/2018 03:05 PM, Mark Marshall wrote:
> Hi.
>
> (I've only just subscribed and can't work out how to reply to a message from
> before I subscribed (on my phone), sorry)
>
> In the macro WRMSR_ASM you seem to have lost the wrmsr?
>
>
Yes. That's a bug noticed by Thomas and I'll fix for
On 01/07/2018 04:03 AM, Borislav Petkov wrote:
>
> WRMSR as a name is good enough.
>
It alias with wrmsr instruction and didn't
build correctly. So I'll keep it as WRMSR_ASM.
Tim
On 01/07/2018 04:03 AM, Borislav Petkov wrote:
>
> WRMSR as a name is good enough.
>
It alias with wrmsr instruction and didn't
build correctly. So I'll keep it as WRMSR_ASM.
Tim
On Sun, Jan 07, 2018 at 09:12:21AM -0800, Tim Chen wrote:
> Currently we are not using other bits.
> When the time comes that we have other bits in this MSR used, we will
> change this.
Then please write in a short comment above it that it is ok that the
previous MSR contents get overwritten.
--
On Sun, Jan 07, 2018 at 09:12:21AM -0800, Tim Chen wrote:
> Currently we are not using other bits.
> When the time comes that we have other bits in this MSR used, we will
> change this.
Then please write in a short comment above it that it is ok that the
previous MSR contents get overwritten.
--
On 01/07/2018 04:03 AM, Borislav Petkov wrote:
> On Fri, Jan 05, 2018 at 06:12:17PM -0800, Tim Chen wrote:
>
>> Subject: Re: [PATCH v2 2/8] x86/enter: MACROS to set/clear IBRS
>
> Your subject needs to have a verb and not scream:
>
> Subject: [PATCH v2 2/8] x86/entry:
On 01/07/2018 04:03 AM, Borislav Petkov wrote:
> On Fri, Jan 05, 2018 at 06:12:17PM -0800, Tim Chen wrote:
>
>> Subject: Re: [PATCH v2 2/8] x86/enter: MACROS to set/clear IBRS
>
> Your subject needs to have a verb and not scream:
>
> Subject: [PATCH v2 2/8] x86/entry:
On Fri, Jan 05, 2018 at 06:12:17PM -0800, Tim Chen wrote:
> Subject: Re: [PATCH v2 2/8] x86/enter: MACROS to set/clear IBRS
Your subject needs to have a verb and not scream:
Subject: [PATCH v2 2/8] x86/entry: Add macros to set/clear IBRS
> Create macros to control IBRS. Use these
On Fri, Jan 05, 2018 at 06:12:17PM -0800, Tim Chen wrote:
> Subject: Re: [PATCH v2 2/8] x86/enter: MACROS to set/clear IBRS
Your subject needs to have a verb and not scream:
Subject: [PATCH v2 2/8] x86/entry: Add macros to set/clear IBRS
> Create macros to control IBRS. Use these
Create macros to control IBRS. Use these macros to enable IBRS on kernel entry
paths and disable IBRS on kernel exit paths.
The registers rax, rcx and rdx are touched when controlling IBRS
so they need to be saved when they can't be clobbered.
Signed-off-by: Tim Chen
Create macros to control IBRS. Use these macros to enable IBRS on kernel entry
paths and disable IBRS on kernel exit paths.
The registers rax, rcx and rdx are touched when controlling IBRS
so they need to be saved when they can't be clobbered.
Signed-off-by: Tim Chen
---
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