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From: Richard Henderson <richard.henderson@linaro.org>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"Peter Maydell" <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [PATCH 4/4] qemu/bswap: Remove <byteswap.h> dependency
Date: Thu, 24 Sep 2020 12:30:46 -0700	[thread overview]
Message-ID: <2a2cc60d-2d30-eb38-369e-0a26f0eac9bd@linaro.org> (raw)
In-Reply-To: <fd8a9c3e-45f2-caae-25ab-5e1365fd9298@redhat.com>

On 9/23/20 3:30 AM, Philippe Mathieu-Daudé wrote:
> On 9/23/20 12:16 PM, Peter Maydell wrote:
>> I suppose if we wanted to just use the __builtin_bswap*
>> implementation on all hosts (ie drop the special casing
>> of CONFIG_MACHINE_BSWAP_H/FreeBSD/Haiku) we'd need to
>> rename our macros to avoid potential conflicts with the
>> versions in the system headers there in case they were
>> pulled in via some other path ?
> 
> Yes, this is why I couldn't get ride of everything
> 
> After reading Paolo's suggestion to use qatomic*, I
> am tempted to suggest qbswap* but I am still looking
> for better alternatives...

Hum, maybe.  It's pretty ugly.  We could just leave those alone and hope the
system version is decent enough.


r~


  reply	other threads:[~2020-09-24 19:37 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-23 10:02 [PATCH 0/4] qemu/bswap: Use compiler __builtin_bswap() Philippe Mathieu-Daudé
2020-09-23 10:02 ` [PATCH 1/4] qemu/bswap: Remove unused qemu_bswap_len() Philippe Mathieu-Daudé
2020-09-24 19:24   ` Richard Henderson
2020-09-23 10:02 ` [PATCH 2/4] qemu/bswap: Replace bswapXX() by compiler __builtin_bswap() Philippe Mathieu-Daudé
2020-09-24 19:25   ` Richard Henderson
2020-09-23 10:02 ` [PATCH 3/4] qemu/bswap: Replace bswapXXs() " Philippe Mathieu-Daudé
2020-09-24 19:29   ` Richard Henderson
2020-09-23 10:02 ` [PATCH 4/4] qemu/bswap: Remove <byteswap.h> dependency Philippe Mathieu-Daudé
2020-09-23 10:16   ` Peter Maydell
2020-09-23 10:30     ` Philippe Mathieu-Daudé
2020-09-24 19:30       ` Richard Henderson [this message]
2020-09-24 19:33         ` Peter Maydell
2020-09-25  9:22           ` Philippe Mathieu-Daudé
2020-09-25 15:25             ` Richard Henderson
2020-09-24 19:29   ` Richard Henderson

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