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Date: Sun, 5 Aug 2012 10:29:59 -0400 From: Cyril Chemparathy <cyril@...com> To: Nicolas Pitre <nicolas.pitre@...aro.org> CC: <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, <arnd@...db.de>, <catalin.marinas@....com>, <linux@....linux.org.uk>, <will.deacon@....com>, Vitaly Andrianov <vitalya@...com> Subject: Re: [PATCH 09/22] ARM: LPAE: use 64-bit pgd physical address in switch_mm() On 8/4/2012 3:04 AM, Nicolas Pitre wrote: > On Tue, 31 Jul 2012, Cyril Chemparathy wrote: > >> This patch modifies the switch_mm() processor functions to use 64-bit >> addresses. We use u64 instead of phys_addr_t, in order to avoid having config >> dependent register usage when calling into switch_mm assembly code. >> >> The changes in this patch are primarily adjustments for registers used for >> arguments to switch_mm. The few processor definitions that did use the second >> argument have been modified accordingly. >> >> Arguments and calling conventions aside, this patch should be a no-op on v6 >> and non-LPAE v7 processors. > > NAK. > > You just broke all big endian targets, LPAE or not. > Indeed. Thanks. Would C-land word swappery on BE do? Any other ideas on the best approach to this? > > Nicolas > -- Thanks - Cyril -- 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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