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From: zippel@linux-m68k.org
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 10/11] adjust to changed HARDIRQ_MASK
Date: Thu, 25 May 2006 02:27:52 +0200	[thread overview]
Message-ID: <20060525003423.720837000@linux-m68k.org> (raw)
In-Reply-To: 20060525002742.723577000@linux-m68k.org

adjust entry.S to the changed HARDIRQ_MASK, add a check to prevent it
from silently breaking again.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>

---

 arch/m68k/kernel/entry.S |    4 ++--
 arch/m68k/kernel/ints.c  |    6 ++++++
 2 files changed, 8 insertions(+), 2 deletions(-)

Index: linux-2.6-mm/arch/m68k/kernel/entry.S
===================================================================
--- linux-2.6-mm.orig/arch/m68k/kernel/entry.S
+++ linux-2.6-mm/arch/m68k/kernel/entry.S
@@ -226,7 +226,7 @@ ENTRY(nmi_handler)
 inthandler:
 	SAVE_ALL_INT
 	GET_CURRENT(%d0)
-	addqb	#1,%curptr@(TASK_INFO+TINFO_PREEMPT+2)
+	addqb	#1,%curptr@(TASK_INFO+TINFO_PREEMPT+1)
 					|  put exception # in d0
 	bfextu %sp@(PT_VECTOR){#4,#10},%d0
 
@@ -245,7 +245,7 @@ inthandler:
 3:	addql	#8,%sp			|  pop parameters off stack
 
 ret_from_interrupt:
-	subqb	#1,%curptr@(TASK_INFO+TINFO_PREEMPT+2)
+	subqb	#1,%curptr@(TASK_INFO+TINFO_PREEMPT+1)
 	jeq	1f
 2:
 	RESTORE_ALL
Index: linux-2.6-mm/arch/m68k/kernel/ints.c
===================================================================
--- linux-2.6-mm.orig/arch/m68k/kernel/ints.c
+++ linux-2.6-mm/arch/m68k/kernel/ints.c
@@ -95,6 +95,12 @@ void __init init_IRQ(void)
 {
 	int i;
 
+	/* assembly irq entry code relies on this... */
+	if (HARDIRQ_MASK != 0x00ff0000) {
+		extern void hardirq_mask_is_broken(void);
+		hardirq_mask_is_broken();
+	}
+
 	for (i = 0; i < SYS_IRQS; i++) {
 		if (mach_default_handler)
 			irq_list[i].handler = (*mach_default_handler)[i];

--


  parent reply	other threads:[~2006-05-25  1:27 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-25  0:27 [PATCH 00/11] various m68k patches zippel
2006-05-25  0:27 ` [PATCH 01/11] completely initialize hw_regs_t in ide_setup_ports zippel
2006-05-25  0:27 ` [PATCH 02/11] atyfb_base compile fix for CONFIG_PCI=n zippel
2006-05-25  1:33   ` Andrew Morton
2006-05-25  4:07     ` Greg KH
2006-05-25  4:28       ` Andrew Morton
2006-05-30 12:21       ` Roman Zippel
2006-05-25  0:27 ` [PATCH 03/11] cleanup unistd.h zippel
2006-05-25  0:27 ` [PATCH 04/11] Remove some unused definitions in zorro.h zippel
2006-05-25  0:27 ` [PATCH 05/11] use c99 initializer zippel
2006-05-25  0:27 ` [PATCH 06/11] print correct stack trace zippel
2006-05-25  0:27 ` [PATCH 07/11] restore amikbd compatibility with 2.4 zippel
2006-05-25  1:36   ` Andrew Morton
2006-05-25  1:50     ` Roman Zippel
2006-05-25  0:27 ` [PATCH 08/11] extra delay zippel
2006-05-25  0:27 ` [PATCH 09/11] use proper defines for zone initialization zippel
2006-05-25  0:27 ` zippel [this message]
2006-05-25  0:27 ` [PATCH 11/11] m68k mac VIA2 fixes and cleanups zippel

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