diff options
| author | Anton Blanchard <anton@samba.org> | 2013-08-06 18:01:46 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-08-14 07:33:35 +0200 |
| commit | 7ffcf8ec26f4b94b95b1297131d223b121d951e5 (patch) | |
| tree | 7b4b47eaeafe56c253350b14470fecf03b40277f /arch/powerpc/lib/locks.c | |
| parent | powerpc: Add endian annotations to lppaca, slb_shadow and dtl_entry (diff) | |
| download | linux-7ffcf8ec26f4b94b95b1297131d223b121d951e5.tar.xz linux-7ffcf8ec26f4b94b95b1297131d223b121d951e5.zip | |
powerpc: Fix little endian lppaca, slb_shadow and dtl_entry
The lppaca, slb_shadow and dtl_entry hypervisor structures are
big endian, so we have to byte swap them in little endian builds.
LE KVM hosts will also need to be fixed but for now add an #error
to remind us.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/lib/locks.c')
| -rw-r--r-- | arch/powerpc/lib/locks.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index bb7cfecf2788..0c9c8d7d0734 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -32,7 +32,7 @@ void __spin_yield(arch_spinlock_t *lock) return; holder_cpu = lock_value & 0xffff; BUG_ON(holder_cpu >= NR_CPUS); - yield_count = lppaca_of(holder_cpu).yield_count; + yield_count = be32_to_cpu(lppaca_of(holder_cpu).yield_count); if ((yield_count & 1) == 0) return; /* virtual cpu is currently running */ rmb(); @@ -57,7 +57,7 @@ void __rw_yield(arch_rwlock_t *rw) return; /* no write lock at present */ holder_cpu = lock_value & 0xffff; BUG_ON(holder_cpu >= NR_CPUS); - yield_count = lppaca_of(holder_cpu).yield_count; + yield_count = be32_to_cpu(lppaca_of(holder_cpu).yield_count); if ((yield_count & 1) == 0) return; /* virtual cpu is currently running */ rmb(); |