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[lwip-devel] [task #14420] Remove sys_sem_signal from inside SYS_ARCH_PR

From: Simon Goldschmidt
Subject: [lwip-devel] [task #14420] Remove sys_sem_signal from inside SYS_ARCH_PROTECT crit section
Date: Tue, 11 Apr 2017 16:27:57 -0400 (EDT)
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36

Follow-up Comment #7, task #14420 (project lwip):

> is this even the start of not investing time into improving 
> the non-core locking case because it's not the default locking 
> mechanism and performs worse?

It's exactly that. It performs worse unless you have a really strange system.
Even with COMPAT_MUTEX it should be better as the traditional message-passing
way doesn't fix priority inversion, too. I have a vague plan of getting rid of
the non-core-locking code some day but haven't planned it yet ;-)


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