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From: Richard Henderson <rth@twiddle.net>
To: "Hulin, Patrick - 0559 - MITLL" <Patrick.Hulin@ll.mit.edu>,
	Paolo Bonzini <pbonzini@redhat.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] QEMU, self-modifying code, and Windows 7 64-bit (no KVM)
Date: Wed, 20 Aug 2014 08:12:29 -0700	[thread overview]
Message-ID: <53F4BADD.4070303@twiddle.net> (raw)
In-Reply-To: <528C0A0C-85F2-4490-88F9-81866B9519B6@ll.mit.edu>

On 08/20/2014 07:03 AM, Hulin, Patrick - 0559 - MITLL wrote:
> Can you guys explain why calling tlb_fill is necessary on the page boundary case?

So that you trap on an unaligned store where the second page is unmapped.

That's what we get "for free" with running to store loop backward.


r~

  reply	other threads:[~2014-08-20 15:12 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAG5rQryFDdrYZKPWYm8k_5EPGOP9RgvUqamSkjWiO3UikieeAw@mail.gmail.com>
2014-08-13 18:36 ` [Qemu-devel] QEMU, self-modifying code, and Windows 7 64-bit (no KVM) Hulin, Patrick - 0559 - MITLL
2014-08-14 13:53   ` Hulin, Patrick - 0559 - MITLL
2014-08-15 20:48   ` Paolo Bonzini
2014-08-15 21:49     ` Hulin, Patrick - 0559 - MITLL
2014-08-17  5:21       ` Paolo Bonzini
2014-08-18 17:37         ` Richard Henderson
2014-08-18 17:47           ` Hulin, Patrick - 0559 - MITLL
2014-08-18 20:50             ` Hulin, Patrick - 0559 - MITLL
2014-08-19  6:16               ` Paolo Bonzini
2014-08-20 14:03                 ` Hulin, Patrick - 0559 - MITLL
2014-08-20 15:12                   ` Richard Henderson [this message]
2014-08-18 21:12             ` Paolo Bonzini
2014-08-18 17:47         ` Hulin, Patrick - 0559 - MITLL
2014-08-18 18:08           ` Hulin, Patrick - 0559 - MITLL

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