All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: "Stefano Stabellini" <sstabellini@kernel.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Paul Durrant" <paul@xen.org>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"QEMU Developers" <qemu-devel@nongnu.org>,
	"Laurent Vivier" <laurent@vivier.eu>,
	qemu-arm <qemu-arm@nongnu.org>,
	"Gerd Hoffmann" <kraxel@redhat.com>,
	"Stefan Hajnoczi" <stefanha@redhat.com>,
	"open list:X86" <xen-devel@lists.xenproject.org>,
	"Anthony Perard" <anthony.perard@citrix.com>,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>,
	"Dr. David Alan Gilbert" <dgilbert@redhat.com>
Subject: Re: [PATCH v3 08/13] audio: remove GNUC & MSVC check
Date: Thu, 10 Dec 2020 15:34:51 +0100	[thread overview]
Message-ID: <ac25b79a-c22a-04ab-f125-873710ef9f6d@redhat.com> (raw)
In-Reply-To: <CAFEAcA_xbEm+DmP5hixtkzWJK1fi8X7wZh+eGKmDneZv_=-xbA@mail.gmail.com>

On 12/10/20 3:27 PM, Peter Maydell wrote:
> On Thu, 10 Dec 2020 at 14:26, Philippe Mathieu-Daudé <philmd@redhat.com> wrote:
>>
>> On 12/10/20 2:47 PM, marcandre.lureau@redhat.com wrote:
>>> From: Marc-André Lureau <marcandre.lureau@redhat.com>
>>>
>>> QEMU requires either GCC or Clang, which both advertize __GNUC__.
>>> Drop MSVC fallback path.
>>>
>>> Note: I intentionally left further cleanups for a later work.
>>>
>>> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
>>> ---
>>>  audio/audio.c | 8 +-------
>>>  1 file changed, 1 insertion(+), 7 deletions(-)
>>>
>>> diff --git a/audio/audio.c b/audio/audio.c
>>> index 46578e4a58..d7a00294de 100644
>>> --- a/audio/audio.c
>>> +++ b/audio/audio.c
>>> @@ -122,13 +122,7 @@ int audio_bug (const char *funcname, int cond)
>>>
>>>  #if defined AUDIO_BREAKPOINT_ON_BUG
>>>  #  if defined HOST_I386
>>> -#    if defined __GNUC__
>>> -        __asm__ ("int3");
>>> -#    elif defined _MSC_VER
>>> -        _asm _emit 0xcc;
>>> -#    else
>>> -        abort ();
>>> -#    endif
>>> +      __asm__ ("int3");
>>
>> This was 15 years ago... Why not simply use abort() today?
> 
> That's what I suggested when I looked at this patch in
> the previous version of the patchset, yes...

Ah, I went back to read v2 thread. Actually I even prefer
Gerd's suggestion to remove this dead code.

Regards,

Phil.



WARNING: multiple messages have this Message-ID (diff)
From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: "Marc-André Lureau" <marcandre.lureau@redhat.com>,
	"QEMU Developers" <qemu-devel@nongnu.org>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Laurent Vivier" <laurent@vivier.eu>,
	"Paul Durrant" <paul@xen.org>,
	"open list:X86" <xen-devel@lists.xenproject.org>,
	"Stefan Hajnoczi" <stefanha@redhat.com>,
	"Gerd Hoffmann" <kraxel@redhat.com>,
	"Stefano Stabellini" <sstabellini@kernel.org>,
	"Anthony Perard" <anthony.perard@citrix.com>,
	"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
	qemu-arm <qemu-arm@nongnu.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>
Subject: Re: [PATCH v3 08/13] audio: remove GNUC & MSVC check
Date: Thu, 10 Dec 2020 15:34:51 +0100	[thread overview]
Message-ID: <ac25b79a-c22a-04ab-f125-873710ef9f6d@redhat.com> (raw)
In-Reply-To: <CAFEAcA_xbEm+DmP5hixtkzWJK1fi8X7wZh+eGKmDneZv_=-xbA@mail.gmail.com>

On 12/10/20 3:27 PM, Peter Maydell wrote:
> On Thu, 10 Dec 2020 at 14:26, Philippe Mathieu-Daudé <philmd@redhat.com> wrote:
>>
>> On 12/10/20 2:47 PM, marcandre.lureau@redhat.com wrote:
>>> From: Marc-André Lureau <marcandre.lureau@redhat.com>
>>>
>>> QEMU requires either GCC or Clang, which both advertize __GNUC__.
>>> Drop MSVC fallback path.
>>>
>>> Note: I intentionally left further cleanups for a later work.
>>>
>>> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
>>> ---
>>>  audio/audio.c | 8 +-------
>>>  1 file changed, 1 insertion(+), 7 deletions(-)
>>>
>>> diff --git a/audio/audio.c b/audio/audio.c
>>> index 46578e4a58..d7a00294de 100644
>>> --- a/audio/audio.c
>>> +++ b/audio/audio.c
>>> @@ -122,13 +122,7 @@ int audio_bug (const char *funcname, int cond)
>>>
>>>  #if defined AUDIO_BREAKPOINT_ON_BUG
>>>  #  if defined HOST_I386
>>> -#    if defined __GNUC__
>>> -        __asm__ ("int3");
>>> -#    elif defined _MSC_VER
>>> -        _asm _emit 0xcc;
>>> -#    else
>>> -        abort ();
>>> -#    endif
>>> +      __asm__ ("int3");
>>
>> This was 15 years ago... Why not simply use abort() today?
> 
> That's what I suggested when I looked at this patch in
> the previous version of the patchset, yes...

Ah, I went back to read v2 thread. Actually I even prefer
Gerd's suggestion to remove this dead code.

Regards,

Phil.



  reply	other threads:[~2020-12-10 14:38 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-10 13:47 [PATCH v3 00/13] Remove GCC < 4.8 checks marcandre.lureau
2020-12-10 13:47 ` marcandre.lureau
2020-12-10 13:47 ` [PATCH v3 01/13] qemu/atomic: Drop special case for unsupported compiler marcandre.lureau
2020-12-10 13:47   ` marcandre.lureau
2020-12-14 16:56   ` Stefan Hajnoczi
2020-12-14 16:56     ` Stefan Hajnoczi
2020-12-10 13:47 ` [PATCH v3 02/13] accel/tcg: Remove special case for GCC < 4.6 marcandre.lureau
2020-12-10 13:47   ` marcandre.lureau
2020-12-10 13:47 ` [PATCH v3 03/13] compiler.h: remove GCC < 3 __builtin_expect fallback marcandre.lureau
2020-12-10 13:47   ` marcandre.lureau
2020-12-10 14:32   ` Philippe Mathieu-Daudé
2020-12-10 14:32     ` Philippe Mathieu-Daudé
2020-12-10 14:46     ` Peter Maydell
2020-12-10 14:46       ` Peter Maydell
2020-12-10 14:55       ` Marc-André Lureau
2020-12-10 14:55         ` Marc-André Lureau
2020-12-14 10:17     ` Paolo Bonzini
2020-12-10 13:47 ` [PATCH v3 04/13] qemu-plugin.h: remove GCC < 4 marcandre.lureau
2020-12-10 13:47   ` marcandre.lureau
2020-12-10 13:47 ` [PATCH v3 05/13] tests: remove GCC < 4 fallbacks marcandre.lureau
2020-12-10 13:47   ` marcandre.lureau
2020-12-10 13:47 ` [PATCH v3 06/13] virtiofsd: replace _Static_assert with QEMU_BUILD_BUG_ON marcandre.lureau
2020-12-10 13:47   ` marcandre.lureau
2020-12-11 20:11   ` Dr. David Alan Gilbert
2020-12-11 20:11     ` Dr. David Alan Gilbert
2020-12-14 16:57   ` Stefan Hajnoczi
2020-12-14 16:57     ` Stefan Hajnoczi
2020-12-10 13:47 ` [PATCH v3 07/13] compiler.h: explicit case for Clang printf attribute marcandre.lureau
2020-12-10 13:47   ` marcandre.lureau
2020-12-11  4:20   ` Michael Tokarev
2020-12-10 13:47 ` [PATCH v3 08/13] audio: remove GNUC & MSVC check marcandre.lureau
2020-12-10 13:47   ` marcandre.lureau
2020-12-10 14:26   ` Philippe Mathieu-Daudé
2020-12-10 14:26     ` Philippe Mathieu-Daudé
2020-12-10 14:27     ` Peter Maydell
2020-12-10 14:27       ` Peter Maydell
2020-12-10 14:34       ` Philippe Mathieu-Daudé [this message]
2020-12-10 14:34         ` Philippe Mathieu-Daudé
2020-12-10 14:56         ` Marc-André Lureau
2020-12-10 14:56           ` Marc-André Lureau
2020-12-10 13:47 ` [PATCH v3 09/13] poison: remove GNUC check marcandre.lureau
2020-12-10 13:47   ` marcandre.lureau
2020-12-10 14:27   ` Philippe Mathieu-Daudé
2020-12-10 14:27     ` Philippe Mathieu-Daudé
2020-12-10 13:47 ` [PATCH v3 10/13] xen: " marcandre.lureau
2020-12-10 13:47   ` marcandre.lureau
2020-12-10 13:47 ` [PATCH v3 11/13] compiler: " marcandre.lureau
2020-12-10 13:47   ` marcandre.lureau
2020-12-12 13:53   ` Marc-André Lureau
2020-12-12 13:53     ` Marc-André Lureau
2020-12-12 14:00   ` Peter Maydell
2020-12-12 14:00     ` Peter Maydell
2020-12-10 13:47 ` [PATCH v3 12/13] linux-user: " marcandre.lureau
2020-12-10 13:47   ` marcandre.lureau
2020-12-10 14:27   ` Philippe Mathieu-Daudé
2020-12-10 14:27     ` Philippe Mathieu-Daudé
2020-12-10 13:47 ` [PATCH v3 13/13] compiler.h: remove QEMU_GNUC_PREREQ marcandre.lureau
2020-12-10 13:47   ` marcandre.lureau
2020-12-14  8:05   ` Marc-André Lureau
2020-12-14  8:05     ` Marc-André Lureau
2020-12-10 13:57 ` [PATCH v3 00/13] Remove GCC < 4.8 checks no-reply
2020-12-10 13:57   ` no-reply
2020-12-14 10:20 ` Paolo Bonzini

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=ac25b79a-c22a-04ab-f125-873710ef9f6d@redhat.com \
    --to=philmd@redhat.com \
    --cc=anthony.perard@citrix.com \
    --cc=dgilbert@redhat.com \
    --cc=kraxel@redhat.com \
    --cc=laurent@vivier.eu \
    --cc=marcandre.lureau@redhat.com \
    --cc=paul@xen.org \
    --cc=pbonzini@redhat.com \
    --cc=peter.maydell@linaro.org \
    --cc=qemu-arm@nongnu.org \
    --cc=qemu-devel@nongnu.org \
    --cc=richard.henderson@linaro.org \
    --cc=sstabellini@kernel.org \
    --cc=stefanha@redhat.com \
    --cc=xen-devel@lists.xenproject.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.