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| author | Jeremy Kerr <jk@ozlabs.org> | 2013-12-05 11:31:08 +0800 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-12-09 11:40:25 +1100 |
| commit | 1a8f6f97ea4dbaaa21b05cae2dacea47e4aea37b (patch) | |
| tree | 512a16aa42a5d8ee882e36c175b3c01530741f2e /arch | |
| parent | d317ac1750141db07ba30ecb1e2bacebad292fcd (diff) | |
| download | linux-stable-1a8f6f97ea4dbaaa21b05cae2dacea47e4aea37b.tar.gz linux-stable-1a8f6f97ea4dbaaa21b05cae2dacea47e4aea37b.tar.bz2 linux-stable-1a8f6f97ea4dbaaa21b05cae2dacea47e4aea37b.zip | |
powerpc: Make slb_shadow a local
The only external user of slb_shadow is the pseries lpar code, and it
can access through the paca array instead.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/lppaca.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/paca.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/lpar.c | 2 |
3 files changed, 2 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index 844c28de7ec0..d0a2a2f99564 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -132,8 +132,6 @@ struct slb_shadow { } save_area[SLB_NUM_BOLTED]; } ____cacheline_aligned; -extern struct slb_shadow slb_shadow[]; - /* * Layout of entries in the hypervisor's dispatch trace log buffer. */ diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index 0620eaaaad45..9095a6f7ac2c 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -99,7 +99,7 @@ static inline void free_lppacas(void) { } * 3 persistent SLBs are registered here. The buffer will be zero * initially, hence will all be invaild until we actually write them. */ -struct slb_shadow slb_shadow[] __cacheline_aligned = { +static struct slb_shadow slb_shadow[] __cacheline_aligned = { [0 ... (NR_CPUS-1)] = { .persistent = cpu_to_be32(SLB_NUM_BOLTED), .buffer_length = cpu_to_be32(sizeof(struct slb_shadow)), diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 4fca3def9db9..28cf0f33c5be 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -92,7 +92,7 @@ void vpa_init(int cpu) * PAPR says this feature is SLB-Buffer but firmware never * reports that. All SPLPAR support SLB shadow buffer. */ - addr = __pa(&slb_shadow[cpu]); + addr = __pa(paca[cpu].slb_shadow_ptr); if (firmware_has_feature(FW_FEATURE_SPLPAR)) { ret = register_slb_shadow(hwcpu, addr); if (ret) |