Re: [PATCH] powerpc/32s: Fix napping restore in data storage interrupt (DSI)

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