On Tue Nov 8, 2022 at 12:28 AM AEST, Christophe Leroy wrote:
>
>
> Le 07/11/2022 à 04:31, Rohan McLure a écrit :
> > Add Kconfig option for enabling clearing of registers on arrival in an
> > interrupt handler. This reduces the speculation influence of registers
> > on kernel internals. The option
On Tue Nov 8, 2022 at 2:39 AM AEST, Segher Boessenkool wrote:
> Hi!
>
> On Mon, Nov 07, 2022 at 02:31:59PM +1100, Rohan McLure wrote:
> > Add Kconfig option for enabling clearing of registers on arrival in an
> > interrupt handler. This reduces the speculation influence of registers
> > on kernel
Hi!
On Mon, Nov 07, 2022 at 02:31:59PM +1100, Rohan McLure wrote:
> Add Kconfig option for enabling clearing of registers on arrival in an
> interrupt handler. This reduces the speculation influence of registers
> on kernel internals.
Assuming you are talking about existing PowerPC CPUs from the
Le 07/11/2022 à 04:31, Rohan McLure a écrit :
> Add Kconfig option for enabling clearing of registers on arrival in an
> interrupt handler. This reduces the speculation influence of registers
> on kernel internals. The option will be consumed by 64-bit systems that
> feature speculation and wish
Add Kconfig option for enabling clearing of registers on arrival in an
interrupt handler. This reduces the speculation influence of registers
on kernel internals. The option will be consumed by 64-bit systems that
feature speculation and wish to implement this mitigation.
This patch only