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Message-Id: <20130510123510.78c066f177a7a8e5dd9ec7e4@linux-foundation.org> Date: Fri, 10 May 2013 12:35:10 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: Dave Jones <davej@...hat.com> Cc: Linux Kernel <linux-kernel@...r.kernel.org> Subject: Re: SyS symbol munging. On Fri, 10 May 2013 15:24:17 -0400 Dave Jones <davej@...hat.com> wrote: > On Fri, May 10, 2013 at 12:14:54PM -0700, Andrew Morton wrote: > > > [ 163.953629] Call Trace: > > [ 163.957706] [<ffffffff812be322>] ipcget+0x182/0x380 > > [ 163.962123] [<ffffffff810b99a5>] ?trace_hardirqs_on_caller+0x115/0x1e0 > > [ 163.966752] [<ffffffff812c559a>] SyS_shmget+0x5a/0x60 > > [ 163.971163] [<ffffffff812c47e0>] ? shm_close+0x140/0x140 > > [ 163.975590] [<ffffffff812c3e60>] ? shm_release+0x50/0x50 > > [ 163.979991] [<ffffffff812c3df0>] ? shm_get_unmapped_area+0x20/0x20 > > [ 163.984499] [<ffffffff816caa14>] tracesys+0xdd/0xe2 > > This has been bugging me for a while. > What's changing sys_shmget to SyS_shmget in that trace ? And why ? > nm vmlinux | grep SyS That's the actual name of the function definition which the C compiler sees. It's emitted by SYSCALL_DEFINE, cooked up by all the macro goop in include/linux/syscalls.h. I forget who did this initially and peeling back those layers with git is tiresome. -- 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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