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SubjectRe: [PATCH] remove BKL from drivers' release functions
On Wed, Nov 28, 2001 at 03:32:32PM -0800, David C. Hansen wrote:
> Nothing, because the BKL is not held for all opens anymore. In most of
> the cases that we addressed, the BKL was in release _only_, not in open
> at all. There were quite a few drivers where we added a spinlock, or
> used atomic operations to keep open from racing with release.

All char and block devs are opened with the BKL held - see chrdev_open in
fs/devices.c and do_open in fs/block_dev.c

Russell King ( The developer of ARM Linux

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