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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
| commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
| tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /arch/mips/kernel/mips-cpc.c | |
| parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) | |
Linux-libre 4.4-gnupck-4.4-gnu
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 8af4d627b..566b8d2c0 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) |