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From: Bret S. Lambert (bret.lambertgmail.com)
Date: Sun Aug 22 2010 - 00:46:43 CDT
On Sat, Aug 21, 2010 at 05:21:20PM -0700, Matthew Dempsky wrote:
> On Sat, Aug 21, 2010 at 10:04 AM, Bret S. Lambert <blambertopenbsd.org> wrote:
> > This diff changes the locking in sbt and sdmmc from the old-and-busted
> > lockmgr locks to the new-hotness rwlock locks. I don't have the
> > hardware to test this on, so anybody with sbt/sdmmc is encouraged
> > to give it a spin.
> Why not simply change the SDMMC_LOCK/SDMMC_UNLOCK/SDMMC_ASSERT_LOCKED
> macros and leave the .c files untouched (other than the lock init)?
A version that did that was offered, but I was convinced off-list
that my original desire to not obfuscate the locking was correct.
> Also, I'd prefer rw_exit_write() be used instead of rw_exit() when you
> know you're holding a write lock.
As I believe you said before.
My bikeshed, therefore it will be banana-shaped.