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| author | Greg Kurz <gkurz@linux.vnet.ibm.com> | 2015-02-23 18:14:25 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-03-18 02:48:59 +0300 |
| commit | b1fc9484aa339c19bd57702dc88fb046702b6092 (patch) | |
| tree | 5a860891e5e0a9f7883e6c5a4126d8508e7b2aee /arch/powerpc/mm/numa.c | |
| parent | 9d0e6d9db56a38e205e7138837b885082dc769ec (diff) | |
| download | linux-b1fc9484aa339c19bd57702dc88fb046702b6092.tar.xz | |
powerpc/vphn: move endianness fixing to vphn_unpack_associativity()
The first argument to vphn_unpack_associativity() is a const long *, but the
parsing code expects __be64 values actually. Let's move the endian fixing
down for consistency.
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/numa.c')
| -rw-r--r-- | arch/powerpc/mm/numa.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 7a5bc21152f6..59196c5a0984 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1263,13 +1263,18 @@ static int update_cpu_associativity_changes_mask(void) */ static int vphn_unpack_associativity(const long *packed, __be32 *unpacked) { + __be64 be_packed[VPHN_REGISTER_COUNT]; int i, nr_assoc_doms = 0; - const __be16 *field = (const __be16 *) packed; + const __be16 *field = (const __be16 *) be_packed; #define VPHN_FIELD_UNUSED (0xffff) #define VPHN_FIELD_MSB (0x8000) #define VPHN_FIELD_MASK (~VPHN_FIELD_MSB) + /* Let's recreate the original stream. */ + for (i = 0; i < VPHN_REGISTER_COUNT; i++) + be_packed[i] = cpu_to_be64(packed[i]); + for (i = 1; i < VPHN_ASSOC_BUFSIZE; i++) { if (be16_to_cpup(field) == VPHN_FIELD_UNUSED) { /* All significant fields processed, and remaining @@ -1310,11 +1315,8 @@ static long hcall_vphn(unsigned long cpu, __be32 *associativity) long retbuf[PLPAR_HCALL9_BUFSIZE] = {0}; u64 flags = 1; int hwcpu = get_hard_smp_processor_id(cpu); - int i; rc = plpar_hcall9(H_HOME_NODE_ASSOCIATIVITY, retbuf, flags, hwcpu); - for (i = 0; i < VPHN_REGISTER_COUNT; i++) - retbuf[i] = cpu_to_be64(retbuf[i]); vphn_unpack_associativity(retbuf, associativity); return rc; |