linux-kernel - [RFC PATCH v2 1/3] spinlock: extend guard with spinlock

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-next>] [day] [month] [year] [list]

Message-ID: <20241017004335.27471-1-ansuelsmth@gmail.com>
Date: Thu, 17 Oct 2024 02:43:17 +0200
From: Christian Marangi <ansuelsmth@...il.com>
To: Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Antoine Tenart <atenart@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Will Deacon <will@...nel.org>,
	Waiman Long <longman@...hat.com>,
	Boqun Feng <boqun.feng@...il.com>,
	Christian Marangi <ansuelsmth@...il.com>,
	Richard van Schagen <vschagen@...oud.com>,
	linux-crypto@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [RFC PATCH v2 1/3] spinlock: extend guard with spinlock_bh variants

Extend guard APIs with missing raw/spinlock_bh variants.

Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
---
 include/linux/spinlock.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 3fcd20de6ca8..e016b27f64c4 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -550,6 +550,12 @@ DEFINE_LOCK_GUARD_1(raw_spinlock_irq, raw_spinlock_t,
 
 DEFINE_LOCK_GUARD_1_COND(raw_spinlock_irq, _try, raw_spin_trylock_irq(_T->lock))
 
+DEFINE_LOCK_GUARD_1(raw_spinlock_bh, raw_spinlock_t,
+		    raw_spin_lock_bh(_T->lock),
+		    raw_spin_unlock_bh(_T->lock))
+
+DEFINE_LOCK_GUARD_1_COND(raw_spinlock_bh, _try, raw_spin_trylock_bh(_T->lock))
+
 DEFINE_LOCK_GUARD_1(raw_spinlock_irqsave, raw_spinlock_t,
 		    raw_spin_lock_irqsave(_T->lock, _T->flags),
 		    raw_spin_unlock_irqrestore(_T->lock, _T->flags),
@@ -571,6 +577,13 @@ DEFINE_LOCK_GUARD_1(spinlock_irq, spinlock_t,
 DEFINE_LOCK_GUARD_1_COND(spinlock_irq, _try,
 			 spin_trylock_irq(_T->lock))
 
+DEFINE_LOCK_GUARD_1(spinlock_bh, spinlock_t,
+		    spin_lock_bh(_T->lock),
+		    spin_unlock_bh(_T->lock))
+
+DEFINE_LOCK_GUARD_1_COND(spinlock_bh, _try,
+			 spin_trylock_bh(_T->lock))
+
 DEFINE_LOCK_GUARD_1(spinlock_irqsave, spinlock_t,
 		    spin_lock_irqsave(_T->lock, _T->flags),
 		    spin_unlock_irqrestore(_T->lock, _T->flags),
-- 
2.45.2