> On 23 Sep 2022, at 6:02 pm, Nicholas Piggin wrote:
>
> On Wed Sep 21, 2022 at 4:56 PM AEST, Rohan McLure wrote:
>> Clear user state in gprs (assign to zero) to reduce the influence of user
>> registers on speculation within kernel syscall handlers. Clears occur
>> at the very beginning of the
On Wed Sep 21, 2022 at 4:56 PM AEST, Rohan McLure wrote:
> Clear user state in gprs (assign to zero) to reduce the influence of user
> registers on speculation within kernel syscall handlers. Clears occur
> at the very beginning of the sc and scv 0 interrupt handlers, with
> restores occurring
Clear user state in gprs (assign to zero) to reduce the influence of user
registers on speculation within kernel syscall handlers. Clears occur
at the very beginning of the sc and scv 0 interrupt handlers, with
restores occurring following the execution of the syscall handler.
Signed-off-by:
