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From: jamie@shareable.org (Jamie Lokier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: Add SWP/SWPB emulation for ARMv7 processors (v6)
Date: Tue, 3 Aug 2010 20:42:32 +0100	[thread overview]
Message-ID: <20100803194232.GK27827@shareable.org> (raw)
In-Reply-To: <AANLkTik3CSSQLqajFimJxbq8TFBQ6iVx3RtdC9ObVj2-@mail.gmail.com>

Linus Walleij wrote:
> 2010/7/19 Kirill A. Shutemov <kirill@shutemov.name>:
> 
> > Why do we need this? Why do not just fix broken programs?
> 
> People tend to use some third-party precompiled binaries, some of
> them compiled with a compiler using SWP.
> 
> A typical example is the CDC Java runtime, JRE.

Also people like to run the same binaries on different ARMs.
E.g. Debian, Ubuntu.

System pthread libraries can have multiple implementations, but
not every user of SWP or LDREX/STREX is in the pthread libraries.

-- Jamie

  parent reply	other threads:[~2010-08-03 19:42 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-19 18:02 [PATCH] ARM: Add SWP/SWPB emulation for ARMv7 processors (v6) Leif Lindholm
2010-07-19 19:49 ` Kirill A. Shutemov
2010-07-19 20:02   ` Linus Walleij
2010-07-19 21:26     ` Kirill A. Shutemov
2010-07-28  6:06     ` Pavel Machek
2010-07-29 10:13       ` Siarhei Siamashka
2010-07-29 19:28         ` Pavel Machek
2010-07-30 10:04           ` Siarhei Siamashka
2010-07-31 10:52             ` Russell King - ARM Linux
2010-07-31 11:29               ` Russell King - ARM Linux
2010-08-02 18:45                 ` Leif Lindholm
2010-08-03 19:42     ` Jamie Lokier [this message]
2010-07-20  9:12 ` Catalin Marinas

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