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Re: [PATCH] Make EFI watchdog behaviour configurable

From: Arthur Mesh
Subject: Re: [PATCH] Make EFI watchdog behaviour configurable
Date: Fri, 11 Sep 2015 14:53:14 +0000
User-agent: Microsoft-MacOutlook/

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 

>> 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.


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