On 2/16/2018 11:43 AM, Linus Torvalds wrote:
On Fri, Feb 16, 2018 at 11:38 AM, Linus Torvalds
wrote:
Of course, your patch still doesn't allow for "we claim to be skylake
for various other independent reasons, but the RSB issue is fixed".
.. maybe nobody ever has a reason to do that, though?
On Fri, Feb 16, 2018 at 11:38 AM, Linus Torvalds
wrote:
>
> Of course, your patch still doesn't allow for "we claim to be skylake
> for various other independent reasons, but the RSB issue is fixed".
.. maybe nobody ever has a reason to do that, though?
Who knows, virtualization people may simpl
On Fri, Feb 16, 2018 at 11:17 AM, Dave Hansen
wrote:
>
> Intel is considering adding a new bit to the IA32_ARCH_CAPABILITIES
> MSR to tell when RSB underflow might be happen. Feedback on this
> would be greatly appreciated before the specification is finalized.
Yes, please. It would be lovely to
Intel is considering adding a new bit to the IA32_ARCH_CAPABILITIES
MSR to tell when RSB underflow might be happen. Feedback on this
would be greatly appreciated before the specification is finalized.
---
Background:
The RSB is a microarchitectural structure that attempts to help
predict the b
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