linux-kernel - Re: [PATCH] x86: Create clflush() inline, remove hardcoded wbinvd

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Message-ID: <46A26A2E.7070305@zytor.com>
Date:	Sat, 21 Jul 2007 13:18:54 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Muli Ben-Yehuda <muli@...ibm.com>
CC:	Andi Kleen <andi@...stfloor.org>,
	Glauber de Oliveira Costa <gcosta@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: Create clflush() inline, remove hardcoded wbinvd

Muli Ben-Yehuda wrote:
> 
> So it looks like we have a purely syntactic patch that does something
> different than the original code in one of the above places. What am I
> missing?
> 

+static inline void clflush(volatile void *__p)
+{
+	asm volatile("clflush %0" : "+m" (*(char __force *)__p));
                                          ^
+}

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