diff options
| -rw-r--r-- | arch/x86/kernel/cpu/intel.c | 76 |
1 files changed, 28 insertions, 48 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 60b58b1a0c69..42a57b85f93b 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -3,6 +3,7 @@ #include <linux/bitops.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/minmax.h> #include <linux/smp.h> #include <linux/string.h> @@ -700,7 +701,9 @@ static const struct _tlb_table intel_tlb_table[] = { static void intel_tlb_lookup(const unsigned char desc) { + unsigned int entries; unsigned char k; + if (desc == 0) return; @@ -712,81 +715,58 @@ static void intel_tlb_lookup(const unsigned char desc) if (intel_tlb_table[k].tlb_type == 0) return; + entries = intel_tlb_table[k].entries; switch (intel_tlb_table[k].tlb_type) { case STLB_4K: - if (tlb_lli_4k[ENTRIES] < intel_tlb_table[k].entries) - tlb_lli_4k[ENTRIES] = intel_tlb_table[k].entries; - if (tlb_lld_4k[ENTRIES] < intel_tlb_table[k].entries) - tlb_lld_4k[ENTRIES] = intel_tlb_table[k].entries; + tlb_lli_4k[ENTRIES] = max(tlb_lli_4k[ENTRIES], entries); + tlb_lld_4k[ENTRIES] = max(tlb_lld_4k[ENTRIES], entries); break; case STLB_4K_2M: - if (tlb_lli_4k[ENTRIES] < intel_tlb_table[k].entries) - tlb_lli_4k[ENTRIES] = intel_tlb_table[k].entries; - if (tlb_lld_4k[ENTRIES] < intel_tlb_table[k].entries) - tlb_lld_4k[ENTRIES] = intel_tlb_table[k].entries; - if (tlb_lli_2m[ENTRIES] < intel_tlb_table[k].entries) - tlb_lli_2m[ENTRIES] = intel_tlb_table[k].entries; - if (tlb_lld_2m[ENTRIES] < intel_tlb_table[k].entries) - tlb_lld_2m[ENTRIES] = intel_tlb_table[k].entries; - if (tlb_lli_4m[ENTRIES] < intel_tlb_table[k].entries) - tlb_lli_4m[ENTRIES] = intel_tlb_table[k].entries; - if (tlb_lld_4m[ENTRIES] < intel_tlb_table[k].entries) - tlb_lld_4m[ENTRIES] = intel_tlb_table[k].entries; + tlb_lli_4k[ENTRIES] = max(tlb_lli_4k[ENTRIES], entries); + tlb_lld_4k[ENTRIES] = max(tlb_lld_4k[ENTRIES], entries); + tlb_lli_2m[ENTRIES] = max(tlb_lli_2m[ENTRIES], entries); + tlb_lld_2m[ENTRIES] = max(tlb_lld_2m[ENTRIES], entries); + tlb_lli_4m[ENTRIES] = max(tlb_lli_4m[ENTRIES], entries); + tlb_lld_4m[ENTRIES] = max(tlb_lld_4m[ENTRIES], entries); break; case TLB_INST_ALL: - if (tlb_lli_4k[ENTRIES] < intel_tlb_table[k].entries) - tlb_lli_4k[ENTRIES] = intel_tlb_table[k].entries; - if (tlb_lli_2m[ENTRIES] < intel_tlb_table[k].entries) - tlb_lli_2m[ENTRIES] = intel_tlb_table[k].entries; - if (tlb_lli_4m[ENTRIES] < intel_tlb_table[k].entries) - tlb_lli_4m[ENTRIES] = intel_tlb_table[k].entries; + tlb_lli_4k[ENTRIES] = max(tlb_lli_4k[ENTRIES], entries); + tlb_lli_2m[ENTRIES] = max(tlb_lli_2m[ENTRIES], entries); + tlb_lli_4m[ENTRIES] = max(tlb_lli_4m[ENTRIES], entries); break; case TLB_INST_4K: - if (tlb_lli_4k[ENTRIES] < intel_tlb_table[k].entries) - tlb_lli_4k[ENTRIES] = intel_tlb_table[k].entries; + tlb_lli_4k[ENTRIES] = max(tlb_lli_4k[ENTRIES], entries); break; case TLB_INST_4M: - if (tlb_lli_4m[ENTRIES] < intel_tlb_table[k].entries) - tlb_lli_4m[ENTRIES] = intel_tlb_table[k].entries; + tlb_lli_4m[ENTRIES] = max(tlb_lli_4m[ENTRIES], entries); break; case TLB_INST_2M_4M: - if (tlb_lli_2m[ENTRIES] < intel_tlb_table[k].entries) - tlb_lli_2m[ENTRIES] = intel_tlb_table[k].entries; - if (tlb_lli_4m[ENTRIES] < intel_tlb_table[k].entries) - tlb_lli_4m[ENTRIES] = intel_tlb_table[k].entries; + tlb_lli_2m[ENTRIES] = max(tlb_lli_2m[ENTRIES], entries); + tlb_lli_4m[ENTRIES] = max(tlb_lli_4m[ENTRIES], entries); break; case TLB_DATA_4K: case TLB_DATA0_4K: - if (tlb_lld_4k[ENTRIES] < intel_tlb_table[k].entries) - tlb_lld_4k[ENTRIES] = intel_tlb_table[k].entries; + tlb_lld_4k[ENTRIES] = max(tlb_lld_4k[ENTRIES], entries); break; case TLB_DATA_4M: case TLB_DATA0_4M: - if (tlb_lld_4m[ENTRIES] < intel_tlb_table[k].entries) - tlb_lld_4m[ENTRIES] = intel_tlb_table[k].entries; + tlb_lld_4m[ENTRIES] = max(tlb_lld_4m[ENTRIES], entries); break; case TLB_DATA_2M_4M: case TLB_DATA0_2M_4M: - if (tlb_lld_2m[ENTRIES] < intel_tlb_table[k].entries) - tlb_lld_2m[ENTRIES] = intel_tlb_table[k].entries; - if (tlb_lld_4m[ENTRIES] < intel_tlb_table[k].entries) - tlb_lld_4m[ENTRIES] = intel_tlb_table[k].entries; + tlb_lld_2m[ENTRIES] = max(tlb_lld_2m[ENTRIES], entries); + tlb_lld_4m[ENTRIES] = max(tlb_lld_4m[ENTRIES], entries); break; case TLB_DATA_4K_4M: - if (tlb_lld_4k[ENTRIES] < intel_tlb_table[k].entries) - tlb_lld_4k[ENTRIES] = intel_tlb_table[k].entries; - if (tlb_lld_4m[ENTRIES] < intel_tlb_table[k].entries) - tlb_lld_4m[ENTRIES] = intel_tlb_table[k].entries; + tlb_lld_4k[ENTRIES] = max(tlb_lld_4k[ENTRIES], entries); + tlb_lld_4m[ENTRIES] = max(tlb_lld_4m[ENTRIES], entries); break; case TLB_DATA_1G_2M_4M: - if (tlb_lld_2m[ENTRIES] < TLB_0x63_2M_4M_ENTRIES) - tlb_lld_2m[ENTRIES] = TLB_0x63_2M_4M_ENTRIES; - if (tlb_lld_4m[ENTRIES] < TLB_0x63_2M_4M_ENTRIES) - tlb_lld_4m[ENTRIES] = TLB_0x63_2M_4M_ENTRIES; + tlb_lld_2m[ENTRIES] = max(tlb_lld_2m[ENTRIES], TLB_0x63_2M_4M_ENTRIES); + tlb_lld_4m[ENTRIES] = max(tlb_lld_4m[ENTRIES], TLB_0x63_2M_4M_ENTRIES); fallthrough; case TLB_DATA_1G: - if (tlb_lld_1g[ENTRIES] < intel_tlb_table[k].entries) - tlb_lld_1g[ENTRIES] = intel_tlb_table[k].entries; + tlb_lld_1g[ENTRIES] = max(tlb_lld_1g[ENTRIES], entries); break; } } |