linux-kernel - Re: [PATCH 13/13] arc: do not use __print

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Date:   Tue, 12 Dec 2017 11:41:09 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Vineet Gupta <Vineet.Gupta1@...opsys.com>
Cc:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Russell King <linux@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Mark Salter <msalter@...hat.com>,
        Tony Luck <tony.luck@...el.com>,
        David Howells <dhowells@...hat.com>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Guan Xuetao <gxt@...c.pku.edu.cn>,
        Borislav Petkov <bp@...en8.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Fengguang Wu <fengguang.wu@...el.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Petr Mladek <pmladek@...e.com>,
        LKML <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-c6x-dev@...ux-c6x.org" <linux-c6x-dev@...ux-c6x.org>,
        "linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
        "linux-am33-list@...hat.com" <linux-am33-list@...hat.com>,
        "linux-sh@...r.kernel.org" <linux-sh@...r.kernel.org>,
        "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "linux-snps-arc@...ts.infradead.org" 
        <linux-snps-arc@...ts.infradead.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [PATCH 13/13] arc: do not use __print_symbol()

On (12/11/17 08:28), Vineet Gupta wrote:
> On 12/11/2017 04:53 AM, Sergey Senozhatsky wrote:
> > __print_symbol() uses extra stack space to sprintf() symbol
> > information and then to feed that buffer to printk()
> > 
> >    char buffer[KSYM_SYMBOL_LEN];
> > 
> >    sprint_symbol(buffer, address);
> >    printk(fmt, buffer);
> > 
> > Replace __print_symbol() with a direct printk("%pS") call.
> > 
> > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
> > Cc: Vineet Gupta <vgupta@...opsys.com>
> 
> Applied to arc for-curr

thanks.

	-ss