lkml.org 
[lkml]   [2022]   [Feb]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] powerpc/bpf: Always reallocate BPF_REG_5, BPF_REG_AX and TMP_REG when possible
Date
On Mon, 10 Jan 2022 12:29:42 +0000, Christophe Leroy wrote:
> BPF_REG_5, BPF_REG_AX and TMP_REG are mapped on non volatile registers
> because there are not enough volatile registers, but they don't need
> to be preserved on function calls.
>
> So when some volatile registers become available, those registers can
> always be reallocated regardless of whether SEEN_FUNC is set or not.
>
> [...]

Applied to powerpc/next.

[1/1] powerpc/bpf: Always reallocate BPF_REG_5, BPF_REG_AX and TMP_REG when possible
https://git.kernel.org/powerpc/c/a8936569a07bf27cc9cfc2a39a1e5ea91273b2d4

cheers

\
 
 \ /
  Last update: 2022-02-16 13:30    [W:0.068 / U:0.608 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site