Re: [PATCH 2/4] KVM: document which architecture uses each request bit

[Christian Borntraeger]

On 01/07/2016 03:17 PM, Paolo Bonzini wrote:
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>

Reviewed-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> ---
>  include/linux/kvm_host.h | 20 +++++++++++++-------
>  1 file changed, 13 insertions(+), 7 deletions(-)
> 
> diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
> index 5ac775b4dde9..48abf6792286 100644
> --- a/include/linux/kvm_host.h
> +++ b/include/linux/kvm_host.h
> @@ -114,12 +114,14 @@ static inline bool is_error_page(struct page *page)
>   * vcpu->requests bit members
>   */
>  #define KVM_REQ_TLB_FLUSH          0
> -#define KVM_REQ_MIGRATE_TIMER      1
> -#define KVM_REQ_REPORT_TPR_ACCESS  2
>  #define KVM_REQ_MMU_RELOAD         3
> -#define KVM_REQ_TRIPLE_FAULT       4
>  #define KVM_REQ_PENDING_TIMER      5
>  #define KVM_REQ_UNHALT             6
> +
> +/* x86-specific requests */
> +#define KVM_REQ_MIGRATE_TIMER      1
> +#define KVM_REQ_REPORT_TPR_ACCESS  2
> +#define KVM_REQ_TRIPLE_FAULT       4
>  #define KVM_REQ_MMU_SYNC           7
>  #define KVM_REQ_CLOCK_UPDATE       8
>  /* 9 is unused */
> @@ -130,14 +132,10 @@ static inline bool is_error_page(struct page *page)
>  #define KVM_REQ_NMI               14
>  #define KVM_REQ_PMU               15
>  #define KVM_REQ_PMI               16
> -#define KVM_REQ_WATCHDOG          17
>  #define KVM_REQ_MASTERCLOCK_UPDATE 18
>  #define KVM_REQ_MCLOCK_INPROGRESS 19
> -#define KVM_REQ_EPR_EXIT          20
>  #define KVM_REQ_SCAN_IOAPIC       21
>  #define KVM_REQ_GLOBAL_CLOCK_UPDATE 22
> -#define KVM_REQ_ENABLE_IBS        23
> -#define KVM_REQ_DISABLE_IBS       24
>  #define KVM_REQ_APIC_PAGE_RELOAD  25
>  #define KVM_REQ_SMI               26
>  #define KVM_REQ_HV_CRASH          27
> @@ -146,6 +144,14 @@ static inline bool is_error_page(struct page *page)
>  #define KVM_REQ_HV_EXIT           30
>  #define KVM_REQ_HV_STIMER         31
> 
> +/* PPC-specific requests */
> +#define KVM_REQ_WATCHDOG          17
> +#define KVM_REQ_EPR_EXIT          20
> +
> +/* s390-specific requests */
> +#define KVM_REQ_ENABLE_IBS        23
> +#define KVM_REQ_DISABLE_IBS       24
> +
>  #define KVM_USERSPACE_IRQ_SOURCE_ID		0
>  #define KVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID	1
> 

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