This is a note to let you know that I've just added the patch titled
KVM: SVM: remove dead field from struct svm_cpu_data
to the 6.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
kvm-svm-remove-dead-field-from-struct-svm_cpu_data.patch
and it can be found in the queue-6.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3e66c3581a7ce63d69b5f1b5f05845badaf2b3dc
Author: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Date: Wed Nov 9 08:54:20 2022 -0500
KVM: SVM: remove dead field from struct svm_cpu_data
[ Upstream commit 181d0fb0bb023e8996b1cf7970e3708d72442b0b ]
The "cpu" field of struct svm_cpu_data has been write-only since commit
4b656b120249 ("KVM: SVM: force new asid on vcpu migration", 2009-08-05).
Remove it.
Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Stable-dep-of: e287bd005ad9 ("KVM: SVM: restore host save area from assembly")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 454746641a48..ecf4d8233e49 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -667,7 +667,6 @@ static int svm_cpu_init(int cpu)
sd = kzalloc(sizeof(struct svm_cpu_data), GFP_KERNEL);
if (!sd)
return ret;
- sd->cpu = cpu;
sd->save_area = alloc_page(GFP_KERNEL | __GFP_ZERO);
if (!sd->save_area)
goto free_cpu_data;
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 7ff1879e73c5..8a8894d948a0 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -281,8 +281,6 @@ struct vcpu_svm {
};
struct svm_cpu_data {
- int cpu;
-
u64 asid_generation;
u32 max_asid;
u32 next_asid;
