From: Eric Auger <eric.auger@linaro.org>
To: Paolo Bonzini <pbonzini@redhat.com>,
eric.auger@st.com, qemu-devel@nongnu.org,
peter.maydell@linaro.org, peter.crosthwaite@xilinx.com
Cc: christoffer.dall@linaro.org, patches@linaro.org
Subject: Re: [Qemu-devel] [PATCH] vl: move rom_load_all after machine init done
Date: Mon, 22 Jun 2015 11:58:57 +0200 [thread overview]
Message-ID: <5587DC61.60700@linaro.org> (raw)
In-Reply-To: <5587DB14.1000207@redhat.com>
On 06/22/2015 11:53 AM, Paolo Bonzini wrote:
>
>
> On 22/06/2015 11:49, Eric Auger wrote:
>>>> It seems safe because rom_load_all really doesn't load anything, it only
>>>> does an overlap check. Is this right?
>> it does the check + isrom field setting
>>>>
>>>> Is the bug that some overlapping ROMs are not detected? The commit
>>>> message is not clear.
>> The regression is that the both overlap check and isrom setting are not
>> done since ROM are inserted in the roms list afterwards, at machine init
>> done time. The bug was not really observed yet I think.
>
> isrom is just an optimization though, right? What is it useful for?
My understanding is it serves 2 purposes:
- report info in the monitor (hmp_info_roms)
- decide whether the rom->data can be freed on ROM reset notifier
(rom_reset).
Hope I didn't miss anything else.
Eric
>
> Paolo
>
next prev parent reply other threads:[~2015-06-22 9:59 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-16 16:07 [Qemu-devel] [PATCH] vl: move rom_load_all after machine init done Eric Auger
2015-06-22 9:26 ` Eric Auger
2015-06-22 9:43 ` Paolo Bonzini
2015-06-22 9:49 ` Eric Auger
2015-06-22 9:53 ` Paolo Bonzini
2015-06-22 9:58 ` Eric Auger [this message]
2015-07-07 9:00 ` Eric Auger
2015-07-07 9:02 ` Paolo Bonzini
2015-07-07 9:07 ` Eric Auger
2015-07-07 9:22 ` Paolo Bonzini
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