diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-10-15 13:49:55 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-10-19 00:56:17 +1100 |
| commit | a614f52e75bd69b513707b4adc672149c4903995 (patch) | |
| tree | 4ac40b3b1494f5578b55238b8f70b72ed4c2b704 /arch/powerpc/kernel/prom_init.c | |
| parent | c886087caee759790db47f345f8382d653015de3 (diff) | |
| download | linux-a614f52e75bd69b513707b4adc672149c4903995.tar.bz2 | |
powerpc/prom_init: Move ibm_arch_vec to __prombss
Make the existing initialized definition constant and copy
it to a __prombss copy
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/prom_init.c')
| -rw-r--r-- | arch/powerpc/kernel/prom_init.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 7a5eb0192562..dec8f7f689a2 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -788,7 +788,7 @@ struct ibm_arch_vec { struct option_vector6 vec6; } __packed; -struct ibm_arch_vec __cacheline_aligned ibm_architecture_vec = { +static const struct ibm_arch_vec ibm_architecture_vec_template = { .pvrs = { { .mask = cpu_to_be32(0xfffe0000), /* POWER5/POWER5+ */ @@ -926,6 +926,8 @@ struct ibm_arch_vec __cacheline_aligned ibm_architecture_vec = { }, }; +static struct ibm_arch_vec __prombss ibm_architecture_vec ____cacheline_aligned; + /* Old method - ELF header with PT_NOTE sections only works on BE */ #ifdef __BIG_ENDIAN__ static const struct fake_elf { @@ -1135,6 +1137,10 @@ static void __init prom_check_platform_support(void) }; int prop_len = prom_getproplen(prom.chosen, "ibm,arch-vec-5-platform-support"); + + /* First copy the architecture vec template */ + ibm_architecture_vec = ibm_architecture_vec_template; + if (prop_len > 1) { int i; u8 vec[8]; |