From: Paolo Bonzini <pbonzini@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: qemu-trivial <qemu-trivial@nongnu.org>,
qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-trivial] [PATCH] memory: Rename readable flag to romd_mode
Date: Mon, 06 May 2013 18:32:45 +0200 [thread overview]
Message-ID: <5187DB2D.9080402@redhat.com> (raw)
In-Reply-To: <5187D656.2090501@siemens.com>
Il 06/05/2013 18:12, Jan Kiszka ha scritto:
> "Readable" is a very unfortunate name for this flag because even a
> rom_device region will always be readable from the guest POV. What
> differs is the mapping, just like the comments had to explain already.
> Also, readable could currently be understood as being a generic region
> flag, but it only applies to rom_device regions.
>
> So name the flag and the function to modify it after the original term
> "ROMD" which could also be interpreted as "ROM direct", i.e. ROM mode
> with direct access. In any case, the scope if the flag is clearer now.
>
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
>
> Depends on "memory: Replace open-coded memory_region_is_romd", but I
> don't think this patch is "trivial" as well, though it is just renaming
> things. Just in case, I'm CCing the trivial list as well.
>
> Paolo, or would you open a memory branch so that related stuff can flow
> through one queue?
I think this is more trivial than the other actually. :) (For code
changes, I think trivial roughly means "if it compiles fine, it won't
break anything").
For now I applied both patches to my iommu branch. I'll test it a bit
more tomorrow and then post the IOMMU patches for review. We should
merge them and the subpage reorg soon in 1.6, since it is (together with
ref/unref) the main serialization point for all the work on BQL-less
dispatch.
BTW, a "trivial" patch would be one that actually defines the term "BQL"
somewhere in the code. :)
Paolo
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: qemu-trivial <qemu-trivial@nongnu.org>,
qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH] memory: Rename readable flag to romd_mode
Date: Mon, 06 May 2013 18:32:45 +0200 [thread overview]
Message-ID: <5187DB2D.9080402@redhat.com> (raw)
In-Reply-To: <5187D656.2090501@siemens.com>
Il 06/05/2013 18:12, Jan Kiszka ha scritto:
> "Readable" is a very unfortunate name for this flag because even a
> rom_device region will always be readable from the guest POV. What
> differs is the mapping, just like the comments had to explain already.
> Also, readable could currently be understood as being a generic region
> flag, but it only applies to rom_device regions.
>
> So name the flag and the function to modify it after the original term
> "ROMD" which could also be interpreted as "ROM direct", i.e. ROM mode
> with direct access. In any case, the scope if the flag is clearer now.
>
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
>
> Depends on "memory: Replace open-coded memory_region_is_romd", but I
> don't think this patch is "trivial" as well, though it is just renaming
> things. Just in case, I'm CCing the trivial list as well.
>
> Paolo, or would you open a memory branch so that related stuff can flow
> through one queue?
I think this is more trivial than the other actually. :) (For code
changes, I think trivial roughly means "if it compiles fine, it won't
break anything").
For now I applied both patches to my iommu branch. I'll test it a bit
more tomorrow and then post the IOMMU patches for review. We should
merge them and the subpage reorg soon in 1.6, since it is (together with
ref/unref) the main serialization point for all the work on BQL-less
dispatch.
BTW, a "trivial" patch would be one that actually defines the term "BQL"
somewhere in the code. :)
Paolo
next prev parent reply other threads:[~2013-05-06 16:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-06 16:12 [Qemu-trivial] [PATCH] memory: Rename readable flag to romd_mode Jan Kiszka
2013-05-06 16:12 ` [Qemu-devel] " Jan Kiszka
2013-05-06 16:32 ` Paolo Bonzini [this message]
2013-05-06 16:32 ` Paolo Bonzini
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