diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2021-01-30 23:08:20 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-02-09 00:02:09 +1100 |
| commit | 73d7a97914f23397b012e851f6a1fe4061923a82 (patch) | |
| tree | 5852141852c3e55d503b75b8666afbcbb4b57ab7 /arch/powerpc/mm/fault.c | |
| parent | 755d664174463791489dddf34c33308b61de68c3 (diff) | |
powerpc/32: transfer can avoid saving r4/r5 over trace call
Now that handlers get all registers from pt_regs, r4 and r5 are no
longer live here and may be clobbered.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210130130852.2952424-11-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/mm/fault.c')
0 files changed, 0 insertions, 0 deletions