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Re: [RFC PATCH v3 1/3] vmx: Rewrite vpid_sync_vcpu_gva
- To: Teddy Astie <teddy.astie@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 31 Jul 2025 17:52:20 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 31 Jul 2025 15:52:34 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 26.06.2025 16:01, Teddy Astie wrote:
> Rewrite this function such as it doesn't rely on goto, also change the
> type of "type" to match the __invvpid function call.
While this type change is probably okay (and benign to code generation), ...
> --- a/xen/arch/x86/include/asm/hvm/vmx/vmx.h
> +++ b/xen/arch/x86/include/asm/hvm/vmx/vmx.h
> @@ -287,10 +287,10 @@ extern uint8_t posted_intr_vector;
> #define cpu_has_vmx_vpid_invvpid_single_context_retaining_global \
> (vmx_caps.vpid & VMX_VPID_INVVPID_SINGLE_CONTEXT_RETAINING_GLOBAL)
>
> -#define INVVPID_INDIVIDUAL_ADDR 0
> -#define INVVPID_SINGLE_CONTEXT 1
> -#define INVVPID_ALL_CONTEXT 2
> -#define INVVPID_SINGLE_CONTEXT_RETAINING_GLOBAL 3
> +#define INVVPID_INDIVIDUAL_ADDR 0UL
> +#define INVVPID_SINGLE_CONTEXT 1UL
> +#define INVVPID_ALL_CONTEXT 2UL
> +#define INVVPID_SINGLE_CONTEXT_RETAINING_GLOBAL 3UL
... I don't follow the need for these extra adjustments. Preferably with
them dropped
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
Jan
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