Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1209933

Re: [PATCH] arm: Adding support for atomic half word exchange

Show all headers | View raw

On Tue, Aug 18, 2015 at 09:17:53AM +0100, Sarbojit Ganguly wrote:
> <Ping>
> 
> Since 16 bit half word exchange was not there and MCS based qspinlock by Waiman's xchg_tail() requires an atomic exchange on a half word, here is a small modification to __xchg() code to support the exchange.
> ARMv6 and lower does not have support for LDREXH, so we need to make sure things do not break when we're compiling on ARMv6.

First of all, please wrap the text appropriately.

Secondly, you need to cc the relevant maintainer and mailing list (try
running ./scripts/get_maintainer.pl on this patch to get some hints).

-- 
Catalin

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH] arm: Adding support for atomic half word exchange Sarbojit Ganguly <ganguly.s@samsung.com> - 2015-08-18 10:20 +0200
  Re: [PATCH] arm: Adding support for atomic half word exchange Catalin Marinas <catalin.marinas@arm.com> - 2015-08-19 18:20 +0200

csiph-web