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From: Richard Henderson <rth@twiddle.net>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: kwolf@redhat.com, Jes Sorensen <Jes.Sorensen@redhat.com>,
	qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] Re: [PATCH 05/14] Remove unused argument for	check_for_block_signature()
Date: Mon, 30 Aug 2010 12:24:36 -0700	[thread overview]
Message-ID: <4C7C0574.4000009@twiddle.net> (raw)
In-Reply-To: <4C7BF828.7060102@codemonkey.ws>

On 08/30/2010 11:27 AM, Anthony Liguori wrote:
> On 08/30/2010 01:19 PM, Jes Sorensen wrote:
>> 
>> I totally agree on this. The problem with having such arguments
>> passed in is that you never know if they were used in the past and
>> it was forgotten when the code using them was removed, or if it's
>> new code, in which case they do deserve the extra scrutiny.
>> 
> 
> Or, we exercise common sense instead of blinding removing arguments
> just because a certain uncommon warning mode of GCC complains.

If you make a reasoned decision to keep the argument,
then annotate it with

#define UNUSED  __attribute__((unused))

and the warning will go away.

As to whether the argument should be retained in these
specific cases, I am agnostic.


r~

  reply	other threads:[~2010-08-30 19:57 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-30 15:59 [Qemu-devel] [PATCH 00/14] gcc extra warning fixes v2 Jes.Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 01/14] Remove unused argument for nbd_client() Jes.Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 02/14] Respect return value from nbd_client() Jes.Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 03/14] Fix repeated typo: was "end if list" instead of "end of list" Jes.Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 04/14] Zero initialize timespec struct explicitly Jes.Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 05/14] Remove unused argument for check_for_block_signature() Jes.Sorensen
2010-08-30 16:16   ` [Qemu-devel] " Anthony Liguori
2010-08-30 16:40     ` Paolo Bonzini
2010-08-30 18:19       ` Jes Sorensen
2010-08-30 18:27         ` Anthony Liguori
2010-08-30 19:24           ` Richard Henderson [this message]
2010-08-31  7:13           ` Jes Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 06/14] Remove unused argument for encrypt_sectors() Jes.Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 07/14] Remove unused argument for get_whole_cluster() Jes.Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 08/14] Remove unused argument for qcow2_encrypt_sectors() Jes.Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 09/14] Remove unused arguments for add_aio_request() and free_aio_req() Jes.Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 10/14] Zero json struct with memset() instea of = {} to keep compiler happy Jes.Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 11/14] Remove unused function arguments Jes.Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 12/14] size_t is unsigned, change to ssize_t to handle errors from tight_compress_data() Jes.Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 13/14] Change DPRINTF() to do{}while(0) to avoid compiler warning Jes.Sorensen
2010-08-30 15:59 ` [Qemu-devel] [PATCH 14/14] load_multiboot(): get_image_size() returns int Jes.Sorensen
2010-08-31  7:48 ` [Qemu-devel] Re: [PATCH 00/14] gcc extra warning fixes v2 Kevin Wolf

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