Re: [PATCH 3/9] KVM: const-ify uses of struct kvm_userspace_memory_region
From: Takuya Yoshikawa
Date: Wed May 20 2015 - 04:15:41 EST
On 2015/05/20 2:25, Paolo Bonzini wrote:
> Architecture-specific helpers are not supposed to muck with
> struct kvm_userspace_memory_region contents. Add const to
> enforce this.
Nice, this is what I wanted to do, but could not do, when I
cleaned up these functions a few years ago.
>
> In order to eliminate the only write in __kvm_set_memory_region,
> the cleaning of deleted slots is pulled up from update_memslots
> to __kvm_set_memory_region.
- if (!npages)
- mem->flags &= ~KVM_MEM_LOG_DIRTY_PAGES;
Especially, removing this hard-to-understand lines is really
nice.
>
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Reviewed-by: Takuya Yoshikawa <yoshikawa_takuya_b1@xxxxxxxxxxxxx>
Takuya
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/