On Thu, 29 Jun 2017 16:11:07 +0530 "Naveen N. Rao" <naveen.n....@linux.vnet.ibm.com> wrote:
> It is common to get a PMU interrupt right after the mtmsr instruction that > enables interrupts. Due to this, the stack trace profile gets needlessly split > across system_call_common() and system_call(). > > Previously, system_call() symbol was at the current place to hide a few > earlier symbols which have since been made private or removed entirely. > > So, let's move system_call() slightly higher up, right after the mtmsr > instruction that enables interrupts. Convert existing references to > system_call to a local syscall symbol. > > Suggested-by: Nicholas Piggin <npig...@gmail.com> > Signed-off-by: Naveen N. Rao <naveen.n....@linux.vnet.ibm.com> Ah, I didn't realize the label is actually used. Still, I like the patch myself. Reviewed-by: Nicholas Piggin <npig...@gmail.com>
