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[PATCH] Add comment about oversized r4000 interrupt vector

To: linux-mips@linux-mips.org
Subject: [PATCH] Add comment about oversized r4000 interrupt vector
From: Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de>
Date: Sun, 21 Nov 2004 17:24:58 +0100
Cc: ralf@linux-mips.org
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.6i
Hello All,

to prevent it to get lost again, this adds an explanatory comment
to the r4000 exception vector init.


Thiemo


Index: arch/mips/kernel/traps.c
===================================================================
RCS file: /home/cvs/linux/arch/mips/kernel/traps.c,v
retrieving revision 1.201
diff -u -p -r1.201 traps.c
--- arch/mips/kernel/traps.c    11 Nov 2004 03:06:01 -0000      1.201
+++ arch/mips/kernel/traps.c    20 Nov 2004 16:46:40 -0000
@@ -1026,6 +1027,7 @@ void __init trap_init(void)
                set_except_vector(24, handle_mcheck);
 
        if (cpu_has_vce)
+               /* Special exception: R4[04]00 uses also the divec space. */
                memcpy((void *)(CAC_BASE + 0x180), &except_vec3_r4000, 0x100);
        else if (cpu_has_4kex)
                memcpy((void *)(CAC_BASE + 0x180), &except_vec3_generic, 0x80);

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