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| author | Helge Deller <deller@gmx.de> | 2023-09-07 08:57:44 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2023-09-07 09:12:20 +0200 |
| commit | e5ef93d02d6c9cc3a14e7348481c9e41a528caa1 (patch) | |
| tree | 9e430ddde2716e8fa74209848159604760a215e9 /arch/parisc/kernel | |
| parent | 3756597a684da9fbf966f91ed351033ac1a0f55f (diff) | |
| download | lwn-e5ef93d02d6c9cc3a14e7348481c9e41a528caa1.tar.gz lwn-e5ef93d02d6c9cc3a14e7348481c9e41a528caa1.zip | |
parisc: BTLB: Initialize BTLB tables at CPU startup
Initialize the BTLB entries when starting up a CPU.
Note that BTLBs are not available on 64-bit CPUs.
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/kernel')
| -rw-r--r-- | arch/parisc/kernel/cache.c | 8 | ||||
| -rw-r--r-- | arch/parisc/kernel/processor.c | 2 |
2 files changed, 3 insertions, 7 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 442109a48940..268d90a9325b 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -58,7 +58,7 @@ int pa_serialize_tlb_flushes __ro_after_init; struct pdc_cache_info cache_info __ro_after_init; #ifndef CONFIG_PA20 -static struct pdc_btlb_info btlb_info __ro_after_init; +struct pdc_btlb_info btlb_info __ro_after_init; #endif DEFINE_STATIC_KEY_TRUE(parisc_has_cache); @@ -264,12 +264,6 @@ parisc_cache_init(void) icache_stride = CAFL_STRIDE(cache_info.ic_conf); #undef CAFL_STRIDE -#ifndef CONFIG_PA20 - if (pdc_btlb_info(&btlb_info) < 0) { - memset(&btlb_info, 0, sizeof btlb_info); - } -#endif - if ((boot_cpu_data.pdc.capabilities & PDC_MODEL_NVA_MASK) == PDC_MODEL_NVA_UNSUPPORTED) { printk(KERN_WARNING "parisc_cache_init: Only equivalent aliasing supported!\n"); diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c index a0e2d37c5b3b..1fc89fa2c2d2 100644 --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c @@ -368,6 +368,8 @@ int init_per_cpu(int cpunum) /* FUTURE: Enable Performance Monitor : ccr bit 0x20 */ init_percpu_prof(cpunum); + btlb_init_per_cpu(); + return ret; } |