diff options
| author | David S. Miller <davem@davemloft.net> | 2017-08-15 21:32:19 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-16 10:59:54 -0700 |
| commit | 79db795833bf5c3e798bcd7a5aeeee3fb0505927 (patch) | |
| tree | 0717930d26aead122e5405df8c3c15d4347a3ee0 /arch/s390 | |
| parent | 9157259d16a8ee8116a98d32f29b797689327e8d (diff) | |
| download | linux-79db795833bf5c3e798bcd7a5aeeee3fb0505927.tar.gz linux-79db795833bf5c3e798bcd7a5aeeee3fb0505927.tar.bz2 linux-79db795833bf5c3e798bcd7a5aeeee3fb0505927.zip | |
sparc64: Don't clibber fixed registers in __multi4.
%g4 and %g5 are fixed registers used by the kernel for the thread
pointer and the per-cpu offset. Use %o4 and %g7 instead.
Diagnosis by Anthony Yznaga.
Fixes: 1b4af13ff2cc ("sparc64: Add __multi3 for gcc 7.x and later.")
Reported-by: Anatoly Pugachev <matorola@gmail.com>
Tested-by: Anatoly Pugachev <matorola@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/s390')
0 files changed, 0 insertions, 0 deletions