diff options
Diffstat (limited to '0003-x86-Fix-incorrect-scope-of-setting-shared_per_thread.patch')
| -rw-r--r-- | 0003-x86-Fix-incorrect-scope-of-setting-shared_per_thread.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/0003-x86-Fix-incorrect-scope-of-setting-shared_per_thread.patch b/0003-x86-Fix-incorrect-scope-of-setting-shared_per_thread.patch new file mode 100644 index 0000000..cb8390d --- /dev/null +++ b/0003-x86-Fix-incorrect-scope-of-setting-shared_per_thread.patch @@ -0,0 +1,45 @@ +From 5ea70cc02626d9b85f1570153873d8648a47bf95 Mon Sep 17 00:00:00 2001 +From: Noah Goldstein <goldstein.w.n@gmail.com> +Date: Thu, 10 Aug 2023 19:28:24 -0500 +Subject: [PATCH 03/12] x86: Fix incorrect scope of setting `shared_per_thread` + [BZ# 30745] + +The: + +``` + if (shared_per_thread > 0 && threads > 0) + shared_per_thread /= threads; +``` + +Code was accidentally moved to inside the else scope. This doesn't +match how it was previously (before af992e7abd). + +This patch fixes that by putting the division after the `else` block. + +(cherry picked from commit 084fb31bc2c5f95ae0b9e6df4d3cf0ff43471ede) +--- + sysdeps/x86/dl-cacheinfo.h | 7 +++---- + 1 file changed, 3 insertions(+), 4 deletions(-) + +diff --git a/sysdeps/x86/dl-cacheinfo.h b/sysdeps/x86/dl-cacheinfo.h +index 285773039f..5ddb35c9d9 100644 +--- a/sysdeps/x86/dl-cacheinfo.h ++++ b/sysdeps/x86/dl-cacheinfo.h +@@ -770,11 +770,10 @@ get_common_cache_info (long int *shared_ptr, long int * shared_per_thread_ptr, u + level. */ + threads = ((cpu_features->features[CPUID_INDEX_1].cpuid.ebx >> 16) + & 0xff); +- +- /* Get per-thread size of highest level cache. */ +- if (shared_per_thread > 0 && threads > 0) +- shared_per_thread /= threads; + } ++ /* Get per-thread size of highest level cache. */ ++ if (shared_per_thread > 0 && threads > 0) ++ shared_per_thread /= threads; + } + + /* Account for non-inclusive L2 and L3 caches. */ +-- +2.33.0 + |