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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
| commit | e219aafe50fd546b8686582ddbafd24c3c2eda04 (patch) | |
| tree | a665e08ca8d42f20ac8e5dcc8565d666cffb26bd /arch/mips/kernel/mips-cpc.c | |
| parent | ffe12855a5f7f195589130197558e6a5c276caa4 (diff) | |
| parent | 24c96dc79c5e76d3cff7a33f955a4d3244644766 (diff) | |
Merge back earlier 'pm-domains' material for v4.5.
Diffstat (limited to 'arch/mips/kernel/mips-cpc.c')
| -rw-r--r-- | arch/mips/kernel/mips-cpc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/kernel/mips-cpc.c b/arch/mips/kernel/mips-cpc.c index 8af4d627b68b..566b8d2c092c 100644 --- a/arch/mips/kernel/mips-cpc.c +++ b/arch/mips/kernel/mips-cpc.c @@ -76,6 +76,12 @@ void mips_cpc_lock_other(unsigned int core) spin_lock_irqsave(&per_cpu(cpc_core_lock, curr_core), per_cpu(cpc_core_lock_flags, curr_core)); write_cpc_cl_other(core << CPC_Cx_OTHER_CORENUM_SHF); + + /* + * Ensure the core-other region reflects the appropriate core & + * VP before any accesses to it occur. + */ + mb(); } void mips_cpc_unlock_other(void) |