From: Thomas Hood <jdthood@mail.com>
To: linux-kernel@vger.kernel.org
Subject: Question about rtc_lock
Date: 05 Oct 2001 23:49:54 -0400 [thread overview]
Message-ID: <1002340196.813.64.camel@thanatos> (raw)
The file arch/i386/kernel/bootflag.c contains this:
-------------------------------------------------
static void __init sbf_write(u8 v)
{
if(sbf_port != -1)
{
v &= ~(1<<7);
if(!parity(v))
v|=1<<7;
spin_lock(&rtc_lock);
CMOS_WRITE(v, sbf_port);
spin_unlock(&rtc_lock);
}
}
--------------------------------------------------
Does this code run with irqs disabled, or should these
spinlocks be _irq ?
--
Thomas
next reply other threads:[~2001-10-06 3:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-06 3:49 Thomas Hood [this message]
2001-10-06 13:01 ` Question about rtc_lock Alan Cox
2001-10-06 13:06 ` Thomas Hood
2001-10-06 13:13 ` Alan Cox
2001-10-06 14:40 ` Thomas Hood
2001-10-06 15:24 ` Jonathan Lundell
2001-10-07 3:24 ` Thomas Hood
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