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Re: [PATCH 1/2] x86/svm: Drop the _enabled suffix from vmcb bits
- To: Vaishali Thakkar <vaishali.thakkar@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Thu, 7 Mar 2024 23:22:45 +0000
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- Cc: jbeulich@xxxxxxxx, roger.pau@xxxxxxxxxx, wl@xxxxxxx
- Delivery-date: Thu, 07 Mar 2024 23:23:06 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 07/03/2024 9:40 pm, Vaishali Thakkar wrote:
> The suffix is redundant for np/sev/sev-es bits. Drop it
> to avoid adding extra code volume.
>
> Suggested-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Signed-off-by: Vaishali Thakkar <vaishali.thakkar@xxxxxxxxxx>i
Typo on the end of your email address?
> diff --git a/xen/arch/x86/hvm/svm/nestedsvm.c
> b/xen/arch/x86/hvm/svm/nestedsvm.c
> index e4e01add8c..7e285cf85a 100644
> --- a/xen/arch/x86/hvm/svm/nestedsvm.c
> +++ b/xen/arch/x86/hvm/svm/nestedsvm.c
> @@ -706,7 +706,7 @@ nsvm_vcpu_vmentry(struct vcpu *v, struct cpu_user_regs
> *regs,
> }
>
> /* nested paging for the guest */
> - svm->ns_hap_enabled = !!ns_vmcb->_np_enable;
> + svm->ns_hap_enabled = !!ns_vmcb->_np;
Because the type of is bool, the !! can be dropped too while changing
this line.
It seems that this was missing cleanup from f57ae00635 "SVM: split
_np_enable VMCB field".
Anyway, Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> and I'm
happy to fix on commit.
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