Re: [PATCH] kvm: svm: de-allocate svm_cpu_data for all cpus in svm_cpu_uninit()

From: Paolo Bonzini
Date: Fri Dec 04 2020 - 03:49:50 EST


On 03/12/20 21:59, Jacob Xu wrote:
The cpu arg for svm_cpu_uninit() was previously ignored resulting in the
per cpu structure svm_cpu_data not being de-allocated for all cpus.

Signed-off-by: Jacob Xu <jacobhxu@xxxxxxxxxx>
---
arch/x86/kvm/svm/svm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 79b3a564f1c9..da7eb4aaf44f 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -530,12 +530,12 @@ static int svm_hardware_enable(void)
static void svm_cpu_uninit(int cpu)
{
- struct svm_cpu_data *sd = per_cpu(svm_data, raw_smp_processor_id());
+ struct svm_cpu_data *sd = per_cpu(svm_data, cpu);
if (!sd)
return;
- per_cpu(svm_data, raw_smp_processor_id()) = NULL;
+ per_cpu(svm_data, cpu) = NULL;
kfree(sd->sev_vmcbs);
__free_page(sd->save_area);
kfree(sd);


Queued, thanks.

Paolo