linux-kernel - [PATCH 07/13] Add might_fault_debug

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]

Message-Id: <1376089460-5459-8-git-send-email-andi@firstfloor.org>
Date:	Fri,  9 Aug 2013 16:04:14 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	linux-kernel@...r.kernel.org
Cc:	x86@...nel.org, mingo@...nel.org, torvalds@...ux-foundation.org,
	Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 07/13] Add might_fault_debug_only()

From: Andi Kleen <ak@...ux.intel.com>

Add a might_fault_debug_only() that only does something in the PROVE_LOCKING
case, but does not cond_resched for PREEMPT_VOLUNTARY. This is for
cases when the cond_resched is done elsewhere

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 include/linux/sched.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 773f21d..bb7a08a 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2473,11 +2473,13 @@ static inline void cond_resched_rcu(void)
 
 #ifdef CONFIG_PROVE_LOCKING
 void might_fault(void);
+#define might_fault_debug_only() might_fault()
 #else
 static inline void might_fault(void)
 {
 	might_sleep();
 }
+#define might_fault_debug_only() do {} while(0)
 #endif
 
 /*
-- 
1.8.3.1

--
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/