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Message-ID: <54EC16E4.4060207@suse.com> Date: Tue, 24 Feb 2015 07:15:00 +0100 From: Juergen Gross <jgross@...e.com> To: David Vrabel <dvrabel@...tab.net>, linux-kernel@...r.kernel.org, xen-devel@...ts.xensource.com, konrad.wilk@...cle.com, david.vrabel@...rix.com, boris.ostrovsky@...cle.com Subject: Re: [Xen-devel] [PATCH 05/13] xen: simplify xen_set_identity_and_remap() by using global variables On 02/19/2015 07:10 PM, David Vrabel wrote: > > > On 18/02/2015 06:51, Juergen Gross wrote: >> xen_set_identity_and_remap() is used to prepare remapping of memory >> conflicting with the E820 map. It is tracking the pfn where to remap >> new memory via a local variable which is passed to a subfunction >> which in turn returns the new value for that variable. >> >> Additionally the targeted maximum pfn is passed as a parameter to >> sub functions. >> >> Simplify that construct by using just global variables in the >> source for that purpose. This will make things simpler when we need >> those values later, too. > > I'm not convinced this actually simplifies anything. Perhaps I should have emphasised the last sentence a bit more. I really need the global variables when deferring the remap operation. Juergen -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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