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Message-ID: <20150814045434.GA13544@tungsten.ozlabs.ibm.com> Date: Fri, 14 Aug 2015 14:54:34 +1000 From: Sam Bobroff <sam.bobroff@....ibm.com> To: "Gautham R. Shenoy" <ego@...ux.vnet.ibm.com> Cc: Paul Mackerras <paulus@...ba.org>, linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, Michael Ellerman <mpe@...erman.id.au>, Shreyas B Prabhu <shreyas@...ux.vnet.ibm.com>, mikey@...ling.org, Madhavan Srinivasan <maddy@...ux.vnet.ibm.com> Subject: Re: [PATCH v3] powerpc: Add an inline function to update POWER8 HID0 On Wed, Aug 05, 2015 at 12:38:31PM +0530, Gautham R. Shenoy wrote: > Section 3.7 of Version 1.2 of the Power8 Processor User's Manual > prescribes that updates to HID0 be preceded by a SYNC instruction and > followed by an ISYNC instruction (Page 91). > > Create an inline function name update_power8_hid0() which follows this > recipe and invoke it from the static split core path. > > Signed-off-by: Gautham R. Shenoy <ego@...ux.vnet.ibm.com> Hi Gautham, I've tested this on a Power 8 machine and verified that it is able to change split modes and that when doing so the new code is used. Reviewed-by: Sam Bobroff <sam.bobroff@....ibm.com> Tested-by: Sam Bobroff <sam.bobroff@....ibm.com> -- 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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