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Re: [PATCH] Make EFI watchdog behaviour configurable
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From: |
Arthur Mesh |
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Subject: |
Re: [PATCH] Make EFI watchdog behaviour configurable |
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Date: |
Fri, 11 Sep 2015 14:53:14 +0000 |
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User-agent: |
Microsoft-MacOutlook/0.0.0.150807 |
On 9/11/15, 7:32 AM, "address@hidden on behalf of Andrei Borzenkov"
<address@hidden on behalf of address@hidden> wrote:
>10.09.2015 03:11, Arthur Mesh пишет:
>> Add `--enable-efi-watchdog' configure argument, which defaults to Off.
>> When enabled, efi watchdog will not be disabled.
>> Otherwise, efi watchdog will be disabled.
>>
>
>Please, no. This will result in incompatible binaries without any
>indication at run-time that allows to distinguish between them.
That's true, but I see no way around that w/o avoiding the initial call to
disable the watchdog in the efi init routine (and Vladimir is against that
idea).
>
>> Create a command line interface to enable/disable watchdog:
>> efi-watchdog (enable|disable) <timeout>
>
>Why is it not enough? You can always add it to your grub.cfg.
Well, it still leaves a window of time where the system operates w/o a watchdog.
It could be a problem if grub.cfg resides on a network file system, and is not
accessible, in which case the system would hang.
Spasibo