From: Takuya Yoshikawa <takuya.yoshikawa@gmail.com>
To: Avi Kivity <avi@redhat.com>
Cc: mtosatti@redhat.com, kvm@vger.kernel.org,
yoshikawa.takuya@oss.ntt.co.jp, gleb@redhat.com
Subject: Re: [RFC PATCH 2/2] KVM: x86 emulator: Cleanup emulate_push() writebacks
Date: Mon, 4 Apr 2011 01:09:10 +0900 [thread overview]
Message-ID: <20110404010910.c4d417ff.takuya.yoshikawa@gmail.com> (raw)
In-Reply-To: <4D989A7F.8000700@redhat.com>
> > IMHO, we are using dst operand for too many things.
> >
> > In the case of CMP, I first tried to use src2 to clearly follow the
> > SDM's "second source operand" terminology. But it seemed not worth
> > it now.
> >
>
> Ah, CMP is encoded as dst/src, so it's best to just disable writeback
> there. We could have a bit in the decode tables to auto-disable
> writeback, but not sure it is worth it.
One more question:
Why some functions in this file are defined using
"static inline" not just "static" ?
I should keep these "inline" ?
Takuya
--
Takuya Yoshikawa <takuya.yoshikawa@gmail.com>
next prev parent reply other threads:[~2011-04-03 16:09 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-28 16:32 [PATCH 1/2] KVM: x86 emulator: Disable writeback for CMP emulation Takuya Yoshikawa
2011-03-28 16:34 ` [RFC PATCH 2/2] KVM: x86 emulator: Cleanup emulate_push() writebacks Takuya Yoshikawa
2011-03-30 6:51 ` Takuya Yoshikawa
2011-04-03 14:50 ` Avi Kivity
2011-04-03 15:59 ` Takuya Yoshikawa
2011-04-03 16:04 ` Avi Kivity
2011-04-03 16:09 ` Takuya Yoshikawa [this message]
2011-04-03 16:11 ` Avi Kivity
2011-04-03 14:42 ` [PATCH 1/2] KVM: x86 emulator: Disable writeback for CMP emulation Avi Kivity
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