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Re: [Qemu-devel] [PATCH v2 1/5] KVM: define KVM_CAP_READONLY_MEM uncondi
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] [PATCH v2 1/5] KVM: define KVM_CAP_READONLY_MEM unconditionally |
Date: |
Thu, 25 Oct 2012 14:14:39 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2012-10-25 11:21, Xiao Guangrong wrote:
> let it not depend on __KVM_HAVE_READONLY_MEM to make it friendly
> to userspace
>
> Signed-off-by: Xiao Guangrong <address@hidden>
> ---
> arch/x86/kvm/x86.c | 2 ++
> include/linux/kvm.h | 2 --
> virt/kvm/kvm_main.c | 2 +-
> 3 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index ec07cd3..0fd220b 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -2189,7 +2189,9 @@ int kvm_dev_ioctl_check_extension(long ext)
> case KVM_CAP_GET_TSC_KHZ:
> case KVM_CAP_PCI_2_3:
> case KVM_CAP_KVMCLOCK_CTRL:
> +#ifdef __KVM_HAVE_READONLY_MEM
> case KVM_CAP_READONLY_MEM:
> +#endif
> case KVM_CAP_IRQFD_RESAMPLE:
> r = 1;
> break;
> diff --git a/include/linux/kvm.h b/include/linux/kvm.h
> index 494a84c..a9001c1 100644
> --- a/include/linux/kvm.h
> +++ b/include/linux/kvm.h
> @@ -629,9 +629,7 @@ struct kvm_ppc_smmu_info {
> #define KVM_CAP_PPC_GET_SMMU_INFO 78
> #define KVM_CAP_S390_COW 79
> #define KVM_CAP_PPC_ALLOC_HTAB 80
> -#ifdef __KVM_HAVE_READONLY_MEM
> #define KVM_CAP_READONLY_MEM 81
> -#endif
> #define KVM_CAP_IRQFD_RESAMPLE 82
> #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
>
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index e26a55f..55f12a1 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -684,7 +684,7 @@ static int check_memory_region_flags(struct
> kvm_userspace_memory_region *mem)
> {
> u32 valid_flags = KVM_MEM_LOG_DIRTY_PAGES;
>
> -#ifdef KVM_CAP_READONLY_MEM
> +#ifdef __KVM_HAVE_READONLY_MEM
> valid_flags |= KVM_MEM_READONLY;
> #endif
>
Much appreciated.
Jan
--
Siemens AG, Corporate Technology, CT RTC ITP SDP-DE
Corporate Competence Center Embedded Linux
- [Qemu-devel] [PATCH v2 0/5] Qemu: implement readonly memory, Xiao Guangrong, 2012/10/25
- [Qemu-devel] [PATCH v2 1/5] KVM: define KVM_CAP_READONLY_MEM unconditionally, Xiao Guangrong, 2012/10/25
- Re: [Qemu-devel] [PATCH v2 1/5] KVM: define KVM_CAP_READONLY_MEM unconditionally,
Jan Kiszka <=
- [Qemu-devel] [PATCH v2 4/5] Qemu: implement readonly memory, Xiao Guangrong, 2012/10/25
- [Qemu-devel] [PATCH v2 3/5] Qemu: do not mark bios readonly, Xiao Guangrong, 2012/10/25
- Re: [Qemu-devel] [PATCH v2 3/5] Qemu: do not mark bios readonly, Jan Kiszka, 2012/10/26
- Re: [Qemu-devel] [PATCH v2 3/5] Qemu: do not mark bios readonly, Xiao Guangrong, 2012/10/29
- Re: [Qemu-devel] [PATCH v2 3/5] Qemu: do not mark bios readonly, Jan Kiszka, 2012/10/29
- Re: [Qemu-devel] [PATCH v2 3/5] Qemu: do not mark bios readonly, Xiao Guangrong, 2012/10/29
- Re: [Qemu-devel] [PATCH v2 3/5] Qemu: do not mark bios readonly, Jan Kiszka, 2012/10/31
- Re: [Qemu-devel] [PATCH v2 3/5] Qemu: do not mark bios readonly, Xiao Guangrong, 2012/10/31
- Re: [Qemu-devel] [PATCH v2 3/5] Qemu: do not mark bios readonly, Jan Kiszka, 2012/10/31
- Re: [Qemu-devel] [PATCH v2 3/5] Qemu: do not mark bios readonly, Xiao Guangrong, 2012/10/31