From: Paolo Bonzini <pbonzini@redhat.com>
To: Richard Henderson <rth@twiddle.net>,
Eduardo Habkost <ehabkost@redhat.com>
Cc: "Igor Mammedov" <imammedo@redhat.com>,
qemu-devel@nongnu.org, "Andreas Färber" <afaerber@suse.de>
Subject: Re: [Qemu-devel] [PATCH 0/4] target-i386: Don't try to enable unsupported TCG features by default
Date: Mon, 14 Sep 2015 19:23:57 +0200 [thread overview]
Message-ID: <55F702AD.4030408@redhat.com> (raw)
In-Reply-To: <55F70232.4090105@twiddle.net>
On 14/09/2015 19:21, Richard Henderson wrote:
>>> About implementing DE in TCG: I really don't think it is easier, but if
>>> >> somebody wants to implement it, it would be welcome.
>> >
>> > Actually I agree that it's easier, and even a partial implementation
>> > (e.g. no I/O port breakpoints) would be nice to have because recent
>> > Windows IIRC requires DE.
> Isn't I/O port breakpoints the only thing we're missing from DE?
I was thinking of the CR4 bit, but it looks like we don't raise #GP at
all on writes to unknown CR0 or CR4 bits.
Paolo
next prev parent reply other threads:[~2015-09-14 17:24 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-11 19:25 [Qemu-devel] [PATCH 0/4] target-i386: Don't try to enable unsupported TCG features by default Eduardo Habkost
2015-09-11 19:25 ` [Qemu-devel] [PATCH 1/4] target-i386: Expand PPRO_FEATURES on qemu64/qemu32 definitions Eduardo Habkost
2015-09-11 19:25 ` [Qemu-devel] [PATCH 2/4] target-i386: Convert kvm_default_*features to property/value pairs Eduardo Habkost
2015-09-14 8:32 ` Paolo Bonzini
2015-09-18 18:06 ` Eduardo Habkost
2015-09-11 19:25 ` [Qemu-devel] [PATCH 3/4] target-i386: Add optional class name to kvm_default_props Eduardo Habkost
2015-09-11 19:25 ` [Qemu-devel] [PATCH 4/4] target-i386: Disable DE on qemu64 & qemu32 on TCG Eduardo Habkost
2015-09-11 19:32 ` [Qemu-devel] [PATCH 0/4] target-i386: Don't try to enable unsupported TCG features by default Richard Henderson
2015-09-11 19:58 ` Eduardo Habkost
2015-09-12 21:03 ` Paolo Bonzini
2015-09-14 14:56 ` Eduardo Habkost
2015-09-14 17:21 ` Richard Henderson
2015-09-14 17:23 ` Paolo Bonzini [this message]
2015-09-14 17:31 ` Richard Henderson
2015-09-14 20:18 ` Paolo Bonzini
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