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Re: [PATCH] ipc: perform conditional locking while changing the port seq
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From: |
Samuel Thibault |
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Subject: |
Re: [PATCH] ipc: perform conditional locking while changing the port sequence number |
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Date: |
Sat, 7 Sep 2013 08:58:14 +0200 |
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User-agent: |
Mutt/1.5.21+34 (58baf7c9f32f) (2010-12-30) |
Marin Ramesa, le Sat 07 Sep 2013 08:00:47 +0200, a écrit :
> * ipc/ipc_port.c (ipc_port_set_seqno) [MACH_SLOCKS]: Conditional locking.
What is the rationale? Does it really bring an noticeable improvement?
The locking is already conditional inside ipc_port_lock_mqueue, from the
simple_*lock* macros themselves. That is way more readable than having
ifdefs inside the main source code.
Samuel