Zero GPRS r0, r2-r11, r14-r31, on entry into the kernel for all
other interrupt sources to limit influence of user-space values
in potential speculation gadgets. The remaining gprs are overwritten by
entry macros to interrupt handlers, irrespective of whether or not a
given handler consumes these r
On Wed Aug 24, 2022 at 12:05 PM AEST, Rohan McLure wrote:
> Zero GPRS r0, r2-r11, r14-r31, on entry into the kernel for all
> other interrupt sources to limit influence of user-space values
> in potential speculation gadgets. The remaining gprs are overwritten by
> entry macros to interrupt handler
> On 12 Sep 2022, at 10:15 pm, Nicholas Piggin wrote:
>
> On Wed Aug 24, 2022 at 12:05 PM AEST, Rohan McLure wrote:
>> Zero GPRS r0, r2-r11, r14-r31, on entry into the kernel for all
>> other interrupt sources to limit influence of user-space values
>> in potential speculation gadgets. The rem
On Thu Sep 15, 2022 at 4:55 PM AEST, Rohan McLure wrote:
>
>
> > On 12 Sep 2022, at 10:15 pm, Nicholas Piggin wrote:
> >
> > On Wed Aug 24, 2022 at 12:05 PM AEST, Rohan McLure wrote:
> >> Zero GPRS r0, r2-r11, r14-r31, on entry into the kernel for all
> >> other interrupt sources to limit influen