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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2018-08-30 13:49:59 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2018-09-20 00:26:45 +0200
commita101c9d63ebb294144e596bfe9b4ae3156b1be96 (patch)
treec30d5963ff4f8da17e47af8921255eb0cbe4ea3c
parentKVM/MMU: Fix comment in walk_shadow_page_lockless_end() (diff)
downloadlinux-a101c9d63ebb294144e596bfe9b4ae3156b1be96.tar.xz
linux-a101c9d63ebb294144e596bfe9b4ae3156b1be96.zip
KVM: SVM: Switch to bitmap_zalloc()
Switch to bitmap_zalloc() to show clearly what we are allocating. Besides that it returns pointer of bitmap type instead of opaque void *. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--arch/x86/kvm/svm.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 89c4c5aa15f1..c7f1c3fd782d 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1226,8 +1226,7 @@ static __init int sev_hardware_setup(void)
min_sev_asid = cpuid_edx(0x8000001F);
/* Initialize SEV ASID bitmap */
- sev_asid_bitmap = kcalloc(BITS_TO_LONGS(max_sev_asid),
- sizeof(unsigned long), GFP_KERNEL);
+ sev_asid_bitmap = bitmap_zalloc(max_sev_asid, GFP_KERNEL);
if (!sev_asid_bitmap)
return 1;
@@ -1405,7 +1404,7 @@ static __exit void svm_hardware_unsetup(void)
int cpu;
if (svm_sev_enabled())
- kfree(sev_asid_bitmap);
+ bitmap_free(sev_asid_bitmap);
for_each_possible_cpu(cpu)
svm_cpu_uninit(cpu);