linux-kernel - [PATCH 2.6.18-rt5 1/1] ARM: Use IRQF_NODELAY for XScale oprofile interrupt

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>] [day] [month] [year] [list]

Date:	Mon, 09 Oct 2006 16:01:46 -0700
From:	Kevin Hilman <khilman@...sta.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 2.6.18-rt5 1/1] ARM: Use IRQF_NODELAY for XScale oprofile interrupt

Convert XScale performance monitor unit (PMU) interrupt used by
oprofile to IRQF_NODELAY.  PMU results not useful if ISR is run as
thread.

Signed-off-by: Kevin Hilman <khilman@...sta.com>

Index: dev/arch/arm/oprofile/op_model_xscale.c
===================================================================
--- dev.orig/arch/arm/oprofile/op_model_xscale.c
+++ dev/arch/arm/oprofile/op_model_xscale.c
@@ -383,8 +383,9 @@ static int xscale_pmu_start(void)
 {
 	int ret;
 	u32 pmnc = read_pmnc();
+	int irq_flags = IRQF_DISABLED | IRQF_NODELAY;
 
-	ret = request_irq(XSCALE_PMU_IRQ, xscale_pmu_interrupt, IRQF_DISABLED,
+	ret = request_irq(XSCALE_PMU_IRQ, xscale_pmu_interrupt, irq_flags,
 			"XScale PMU", (void *)results);
 
 	if (ret < 0) {
--
-
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/