On Tue, 3 Aug 2021 15:14:27 +0000 (UTC), Christophe Leroy wrote: > When a DSI (Data Storage Interrupt) is taken while in NAP mode, > r11 doesn't survive the call to power_save_ppc32_restore(). > > So use r1 instead of r11 as they both contain the virtual stack > pointer at that point.
Applied to powerpc/fixes. [1/1] powerpc/32s: Fix napping restore in data storage interrupt (DSI) https://git.kernel.org/powerpc/c/62376365048878f770d8b7d11b89b8b3e18018f1 cheers