linux-kernel - Re: [PATCH v3] powerpc: Add an inline function to update POWER8 HID0

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Date:	Fri, 14 Aug 2015 14:29:29 +0530
From:	Shreyas B Prabhu <shreyas@...ux.vnet.ibm.com>
To:	"Gautham R. Shenoy" <ego@...ux.vnet.ibm.com>,
	Paul Mackerras <paulus@...ba.org>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	Michael Ellerman <mpe@...erman.id.au>
CC:	mikey@...ling.org, Segher Boessenkool <segher@...nel.crashing.org>,
	Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>
Subject: Re: [PATCH v3] powerpc: Add an inline function to update POWER8 HID0



On 08/05/2015 12:38 PM, 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>

Reviewed-by: Shreyas B. Prabhu <shreyas@...ux.vnet.ibm.com>

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