[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen staging] x86: remove dead code from cpuid4_cache_lookup()
commit 2f374bd557b289e12c793058130169c1d4c46b0a Author: Jan Beulich <jbeulich@xxxxxxxx> AuthorDate: Mon Jul 2 13:10:52 2018 +0200 Commit: Jan Beulich <jbeulich@xxxxxxxx> CommitDate: Mon Jul 2 13:10:52 2018 +0200 x86: remove dead code from cpuid4_cache_lookup() ... and make num_cache_leaves local to the only function using it. Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> --- xen/arch/x86/cpu/intel_cacheinfo.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/xen/arch/x86/cpu/intel_cacheinfo.c b/xen/arch/x86/cpu/intel_cacheinfo.c index 101e2974bb..4ffcf1b6a0 100644 --- a/xen/arch/x86/cpu/intel_cacheinfo.c +++ b/xen/arch/x86/cpu/intel_cacheinfo.c @@ -80,8 +80,6 @@ static const struct _cache_table cache_table[] = { 0x00, 0, 0} }; -unsigned short num_cache_leaves; - int cpuid4_cache_lookup(int index, struct cpuid4_info *this_leaf) { union _cpuid4_leaf_eax eax; @@ -123,7 +121,7 @@ unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c) unsigned int trace = 0, l1i = 0, l1d = 0, l2 = 0, l3 = 0; /* Cache sizes */ unsigned int new_l1d = 0, new_l1i = 0; /* Cache sizes from cpuid(4) */ unsigned int new_l2 = 0, new_l3 = 0, i; /* Cache sizes from cpuid(4) */ - unsigned int l2_id = 0, l3_id = 0, num_threads_sharing, index_msb; + static unsigned int num_cache_leaves; if (c->cpuid_level > 3) { static int is_initialized; @@ -156,15 +154,9 @@ unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c) break; case 2: new_l2 = this_leaf.size/1024; - num_threads_sharing = 1 + this_leaf.eax.split.num_threads_sharing; - index_msb = get_count_order(num_threads_sharing); - l2_id = c->apicid >> index_msb; break; case 3: new_l3 = this_leaf.size/1024; - num_threads_sharing = 1 + this_leaf.eax.split.num_threads_sharing; - index_msb = get_count_order(num_threads_sharing); - l3_id = c->apicid >> index_msb; break; default: break; -- generated by git-patchbot for /home/xen/git/xen.git#staging _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/xen-changelog
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