diff options
| author | Max Filippov <[email protected]> | 2022-04-14 05:44:36 +0000 |
|---|---|---|
| committer | Max Filippov <[email protected]> | 2022-04-16 01:44:02 +0000 |
| commit | 839769c35477d4acc2369e45000ca7b0b6af39a7 (patch) | |
| tree | 4404e5546ff147db429f40dc4fc90526e8629d22 /lib/xarray.c | |
| parent | arch: xtensa: platforms: Fix deadlock in rs_close() (diff) | |
| download | kernel-839769c35477d4acc2369e45000ca7b0b6af39a7.tar.gz kernel-839769c35477d4acc2369e45000ca7b0b6af39a7.zip | |
xtensa: fix a7 clobbering in coprocessor context load/store
Fast coprocessor exception handler saves a3..a6, but coprocessor context
load/store code uses a4..a7 as temporaries, potentially clobbering a7.
'Potentially' because coprocessor state load/store macros may not use
all four temporary registers (and neither FPU nor HiFi macros do).
Use a3..a6 as intended.
Cc: [email protected]
Fixes: c658eac628aa ("[XTENSA] Add support for configurable registers and coprocessors")
Signed-off-by: Max Filippov <[email protected]>
Diffstat (limited to 'lib/xarray.c')
0 files changed, 0 insertions, 0 deletions