linux-kernel - [patch 6/6 -rt] powerpc 2.6.20-rt8: fix boot/runtime errors/warnings

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:	Wed, 07 Mar 2007 10:47:15 +0900
From:	Tsutomu OWA <tsutomu.owa@...hiba.co.jp>
To:	mingo@...e.hu
Cc:	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org,
	tsutomu.owa@...hiba.co.jp
Subject: [patch 6/6 -rt] powerpc 2.6.20-rt8: fix boot/runtime errors/warnings


  To fix the following boot time warnings by setting soft_enabled and
hard_enabled.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
Freeing unused kernel memory: 248k freed
BUG: scheduling with irqs disabled: rc.sysinit/0x00000000/373
caller is user_work+0x14/0x2c
Call Trace:
[C00000001FEC3D10] [C00000000000FAA0] .show_stack+0x68/0x1b0 (unreliable)
[C00000001FEC3DB0] [C0000000003E78DC] .schedule+0x78/0x128
[C00000001FEC3E30] [C000000000008C40] user_work+0x14/0x2c
BUG: scheduling with irqs disabled: sed/0x00000000/378
caller is user_work+0x14/0x2c
Call Trace:
[C00000000FA33D10] [C00000000000FAA0] .show_stack+0x68/0x1b0 (unreliable)
[C00000000FA33DB0] [C0000000003E78DC] .schedule+0x78/0x128
[C00000000FA33E30] [C000000000008C40] user_work+0x14/0x2c

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 

Signed-off-by: Tsutomu Owa <tsutomu.owa@...hiba.co.jp>
-- owa

--- rt/arch/powerpc/kernel/entry_64.S	2007-03-05 18:21:39.000000000 +0900
+++ rt.new/arch/powerpc/kernel/entry_64.S	2007-03-05 18:23:18.000000000 +0900
@@ -572,6 +572,11 @@ do_work:
 
 user_work:
 #endif
+	/* here we are preempting the current task */
+	li	r0,1
+	stb	r0,PACASOFTIRQEN(r13)
+	stb	r0,PACAHARDIRQEN(r13)
+
 	/* Enable interrupts */
 	ori	r10,r10,MSR_EE
 	mtmsrd	r10,1

-
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/