[PATCH] powerpc/64/signal: Fix regression in __kernel_sigtramp_rt64 semantics

[Michael Ellerman]

On Mon, 1 Feb 2021 17:05:05 -0300, Raoni Fassina Firmino wrote:
> Tested on powerpc64 and powerpc64le, with a glibc build and running the
> affected glibc's testcase[2], inspected that glibc's backtrace() now gives
> the correct result and gdb backtrace also keeps working as before.
> 
> I believe this should be backported to releases 5.9 and 5.10 as userspace
> is affected in this releases.
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/64/signal: Fix regression in __kernel_sigtramp_rt64() semantics
      https://git.kernel.org/powerpc/c/24321ac668e452a4942598533d267805f291fdc9

cheers