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Date: Fri, 8 Dec 2017 13:27:54 +0800 From: Greentime Hu <green.hu@...il.com> To: Al Viro <viro@...iv.linux.org.uk> Cc: Greentime <greentime@...estech.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Arnd Bergmann <arnd@...db.de>, linux-arch <linux-arch@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de>, Jason Cooper <jason@...edaemon.net>, Marc Zyngier <marc.zyngier@....com>, Rob Herring <robh+dt@...nel.org>, netdev <netdev@...r.kernel.org>, Vincent Chen <deanbo422@...il.com>, DTML <devicetree@...r.kernel.org>, David Howells <dhowells@...hat.com>, Will Deacon <will.deacon@....com>, Daniel Lezcano <daniel.lezcano@...aro.org>, linux-serial@...r.kernel.org, Vincent Chen <vincentc@...estech.com> Subject: Re: [PATCH v2 08/35] nds32: Process management 2017-12-08 0:45 GMT+08:00 Al Viro <viro@...iv.linux.org.uk>: > On Mon, Nov 27, 2017 at 08:27:55PM +0800, Greentime Hu wrote: > >> +#define start_thread(regs,pc,stack) \ >> +({ \ >> + set_fs(USER_DS); \ > > Not the job of start_thread() - its users (->load_binary() methods of > assorted binfmt) must (and do) call flush_old_exec() first. And > that will switch to USER_DS just fine. Thanks. I will remove this setting in the next version patch.
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