src/patches/glibc/glibc-rh607010.patch

   1 2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         * sysdeps/x86_64/cacheinfo.c (init_cacheinfo): Round cache sizes
   4         up to multiple of 256 bytes.
   5
   6 Index: glibc-2.12-2-gc4ccff1/sysdeps/x86_64/cacheinfo.c
   7 ===================================================================
   8 --- glibc-2.12-2-gc4ccff1.orig/sysdeps/x86_64/cacheinfo.c
   9 +++ glibc-2.12-2-gc4ccff1/sysdeps/x86_64/cacheinfo.c
  10 @@ -661,12 +661,16 @@ init_cacheinfo (void)
  11
  12    if (data > 0)
  13      {
  14 +      /* Round data cache size up to multiple of 256 bytes.  */
  15 +      data = (data + 255) & ~255L;
  16        __x86_64_data_cache_size_half = data / 2;
  17        __x86_64_data_cache_size = data;
  18      }
  19
  20    if (shared > 0)
  21      {
  22 +      /* Round shared cache size up to multiple of 256 bytes.  */
  23 +      shared = (shared + 255) & ~255L;
  24        __x86_64_shared_cache_size_half = shared / 2;
  25        __x86_64_shared_cache_size = shared;
  26      }