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Date: Thu, 26 Apr 2018 19:25:22 +1000 From: Andrew Donnellan <andrew.donnellan@....ibm.com> To: Sukadev Bhattiprolu <sukadev@...ux.ibm.com> Cc: "Alastair D'Silva" <alastair@....ibm.com>, linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, mikey@...ling.org, vaibhav@...ux.vnet.ibm.com, aneesh.kumar@...ux.vnet.ibm.com, malat@...ian.org, felix@...ux.vnet.ibm.com, pombredanne@...b.com, sukadev@...ux.vnet.ibm.com, npiggin@...il.com, gregkh@...uxfoundation.org, arnd@...db.de, fbarrat@...ux.vnet.ibm.com, corbet@....net, "Alastair D'Silva" <alastair@...ilva.org>, Christophe Lombard <clombard@...ux.vnet.ibm.com> Subject: Re: [PATCH v2 3/7] powerpc: use task_pid_nr() for TID allocation On 25/04/18 07:12, Sukadev Bhattiprolu wrote: > Yes. Like with PIDR, was trying to assign TIDR initially to all threads. > But since only a subset of threads need/use TIDR, we can assign the > value later (when set_thread_tidr() is called). So we should be able to > use task_pid_nr() then. OK. Alastair has also confirmed with me that truncating the pid to a u16 should be safe, so therefore: Reviewed-by: Andrew Donnellan <andrew.donnellan@....ibm.com> -- Andrew Donnellan OzLabs, ADL Canberra andrew.donnellan@....ibm.com IBM Australia Limited
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