[PATCH v1] KVM: SVM: Switch to bitmap_zalloc()

Andy Shevchenko
2018-08-30T11:50:16Z

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>
---
arch/x86/kvm/svm.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 6276140044d0..5d7e9f76caba 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);
--
2.18.0