Re: [PATCH v2 4/4] powerpc/64s: Sanitise user registers on interrupt in pseries

2022-11-27 Thread Nicholas Piggin
On Mon Nov 7, 2022 at 1:32 PM AEST, Rohan McLure wrote: > Cause pseries platforms to default to zeroising all potentially user-defined > registers when entering the kernel by means of any interrupt source, > reducing user-influence of the kernel and the likelihood or producing > speculation

[PATCH v2 4/4] powerpc/64s: Sanitise user registers on interrupt in pseries

2022-11-06 Thread Rohan McLure
Cause pseries platforms to default to zeroising all potentially user-defined registers when entering the kernel by means of any interrupt source, reducing user-influence of the kernel and the likelihood or producing speculation gadgets. Signed-off-by: Rohan McLure --- Resubmitting patches as