linux-kernel - [PATCH 2/2] MIPS: Mark all but i8259 interrupts as no-probe.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 29 Jan 2008 11:21:20 +0000
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	Rob Landley <rob@...dley.net>
Cc:	linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org
Subject: [PATCH 2/2] MIPS: Mark all but i8259 interrupts as no-probe.

Use set_irq_noprobe() to mark all MIPS interrupts as non-probe.  Override
that default for i8259 interrupts.

Signed-off-by: Ralf Baechle <ralf@...ux-mips.org>

 arch/mips/kernel/i8259.c |    4 +++-
 arch/mips/kernel/irq.c   |    5 +++++
 2 files changed, 8 insertions(+), 1 deletion(-)

Index: linux-mips/arch/mips/kernel/i8259.c
===================================================================
--- linux-mips.orig/arch/mips/kernel/i8259.c
+++ linux-mips/arch/mips/kernel/i8259.c
@@ -338,8 +338,10 @@ void __init init_i8259_irqs(void)
 
 	init_8259A(0);
 
-	for (i = I8259A_IRQ_BASE; i < I8259A_IRQ_BASE + 16; i++)
+	for (i = I8259A_IRQ_BASE; i < I8259A_IRQ_BASE + 16; i++) {
 		set_irq_chip_and_handler(i, &i8259A_chip, handle_level_irq);
+		set_irq_probe(i);
+	}
 
 	setup_irq(I8259A_IRQ_BASE + PIC_CASCADE_IR, &irq2);
 }
Index: linux-mips/arch/mips/kernel/irq.c
===================================================================
--- linux-mips.orig/arch/mips/kernel/irq.c
+++ linux-mips/arch/mips/kernel/irq.c
@@ -145,6 +145,11 @@ __setup("nokgdb", nokgdb);
 
 void __init init_IRQ(void)
 {
+	int i;
+
+	for (i = 0; i < NR_IRQS; i++)
+		set_irq_noprobe(i);
+
 	arch_init_irq();
 
 #ifdef CONFIG_KGDB
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/