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authorjhb <jhb@FreeBSD.org>2002-02-08 18:30:36 +0000
committerjhb <jhb@FreeBSD.org>2002-02-08 18:30:36 +0000
commit2b39165550c3e151a6d46c3af13adf9e0810a703 (patch)
tree6d6986345f66da99db624871f75774a19f515f2c /sys/i386/isa/nmi.c
parent1d8d40a1948b59758b0121977bb4aad03a494c60 (diff)
downloadFreeBSD-src-2b39165550c3e151a6d46c3af13adf9e0810a703.zip
FreeBSD-src-2b39165550c3e151a6d46c3af13adf9e0810a703.tar.gz
Don't grab the ICU lock while reading the current pending interrupts and
current masked interrupts from the AT PIC. Requested by: bde
Diffstat (limited to 'sys/i386/isa/nmi.c')
-rw-r--r--sys/i386/isa/nmi.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/sys/i386/isa/nmi.c b/sys/i386/isa/nmi.c
index 98194a1..cfc162b 100644
--- a/sys/i386/isa/nmi.c
+++ b/sys/i386/isa/nmi.c
@@ -409,10 +409,8 @@ isa_irq_pending()
u_char irr1;
u_char irr2;
- mtx_lock_spin(&icu_lock);
irr1 = inb(IO_ICU1);
irr2 = inb(IO_ICU2);
- mtx_unlock_spin(&icu_lock);
return ((irr2 << 8) | irr1);
}
#endif
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