From: Christoph Hellwig <hch@lst.de>
To: matthew@wil.cx
Cc: linux-scsi@vger.kernel.org
Subject: [PATCH] remove an outdated comment from sym2
Date: Tue, 26 Aug 2003 18:59:40 +0200 [thread overview]
Message-ID: <20030826165940.GA6620@lst.de> (raw)
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c Fri Aug 8 11:11:33 2003
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c Fri Aug 8 11:11:33 2003
@@ -83,19 +83,6 @@
void sym_udelay(int us) { udelay(us); }
void sym_mdelay(int ms) { mdelay(ms); }
-/*
- * SMP threading.
- *
- * The whole SCSI sub-system under Linux is basically single-threaded.
- * Everything, including low-level driver interrupt routine, happens
- * with the `io_request_lock' held.
- * The sym53c8xx-1.x drivers series ran their interrupt code using a
- * spin mutex per controller. This added complexity without improving
- * scalability significantly. the sym-2 driver still use a spinlock
- * per controller for safety, but basically runs with the damned
- * io_request_lock held.
- */
-
spinlock_t sym53c8xx_lock = SPIN_LOCK_UNLOCKED;
#define SYM_LOCK_DRIVER(flags) spin_lock_irqsave(&sym53c8xx_lock, flags)
reply other threads:[~2003-08-26 16:59 UTC|newest]
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