Re: [PATCH] x86: usb debug port early console
From: H. Peter Anvin
Date: Wed Jul 23 2008 - 23:17:23 EST
Eric W. Biederman wrote:
+static void dbgp_breath(void)I expect the compiler will optimise away any calls to this.
+ /* Sleep to give the debug port a chance to breathe */
It is documentation that is if it might be a good idea to not hit the
Sounds an awful lot like cpu_relax(); doesn't it?
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