detect L2 cache line size for Intel Core

2025-01-21 05:43:10 -06:00 · 2008-01-29 07:06:18 +00:00 · 2008-01-29 07:06:18 +00:00 · 48b7b9bd0e
commit 48b7b9bd0e
parent 442d1e63f2
1 changed files with 9 additions and 0 deletions
--- a/src/core/ngx_cpuinfo.c
+++ b/src/core/ngx_cpuinfo.c
@ -96,9 +96,18 @@ ngx_cpuinfo(void)

        /* Pentium */
        case 5:
+            ngx_cacheline_size = 32;
+            break;
+
        /* Pentium Pro, II, III */
        case 6:
            ngx_cacheline_size = 32;
+
+            if ((cpu[0] & 0xf0) >= 0xd0) {
+                /* Intel Core */
+                ngx_cacheline_size = 64;
+            }
+
            break;

        /*