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KVM: SVM: Switch to bitmap_zalloc()

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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>
This commit is contained in:
Andy Shevchenko
2018-08-30 14:49:59 +03:00
committed by Paolo Bonzini
parent 9a9845867c
commit a101c9d63e
1 changed files with 2 additions and 3 deletions
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5
arch/x86/kvm/svm.c
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@@ -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);