Messages in this thread |  | | Date | Thu, 29 Nov 2001 19:25:55 +0530 | From | "BALBIR SINGH" <> | Subject | Re: [PATCH] remove BKL from drivers' release functions |
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Even register_blkdev(), etc hold BKL, without these there will be a lot of problems, all these need to be taken care of if BKL is ever replaced.
Just adding what I know, Balbir
Russell King wrote:
>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 (rmk@arm.linux.org.uk) The developer of ARM Linux > http://www.arm.linux.org.uk/personal/aboutme.html > >- >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html >Please read the FAQ at http://www.tux.org/lkml/ >
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