From: Clemens Ladisch <clemens@ladisch.de>
To: Prarit Bhargava <prarit@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] hpet, allow user controlled mmap for user processes
Date: Tue, 19 Mar 2013 15:51:05 +0100 [thread overview]
Message-ID: <51487B59.6010607@ladisch.de> (raw)
In-Reply-To: <5148747C.9020803@redhat.com>
Prarit Bhargava wrote:
> On 03/19/2013 03:43 AM, Clemens Ladisch wrote:
>> Prarit Bhargava wrote:
>>> + int "Enable HPET MMAP access by default"
>>> + default 0
>>
>> This breaks backwards compatibility.
>
> Does backwards compatibility matter for something like? I have no problem
> setting it to 1 but I'm more curious from a general kernel point of view.
When somebody updates from some old kernel where HPET mmap was
explicitly enabled, this default value will now disable it. The
default behaviour should always be to be compatible with older
kernels.
Regards,
Clemens
next prev parent reply other threads:[~2013-03-19 14:51 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-15 20:00 [PATCH] hpet, allow user controlled mmap for user processes Prarit Bhargava
2013-03-16 9:54 ` Clemens Ladisch
2013-03-18 12:24 ` Prarit Bhargava
2013-03-19 7:43 ` Clemens Ladisch
2013-03-19 14:21 ` Prarit Bhargava
2013-03-19 14:51 ` Clemens Ladisch [this message]
2013-03-22 13:32 ` Prarit Bhargava
2013-08-29 6:01 ` Matt Wilson
2013-09-13 0:00 ` Prarit Bhargava
2013-09-29 20:28 ` [PATCH] hpet: " Clemens Ladisch
2013-03-19 14:49 ` [PATCH] hpet, " Prarit Bhargava
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