From: Pingfan Liu <kernelfans@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: "Pingfan Liu" <kernelfans@gmail.com>,
"Alexander Gordeev" <agordeev@linux.ibm.com>,
"Baokun Li" <libaokun1@huawei.com>,
"Bartosz Golaszewski" <brgl@bgdev.pl>,
"Borislav Petkov" <bp@alien8.de>,
"Cédric Le Goater" <clg@kaod.org>,
"Christian Borntraeger" <borntraeger@linux.ibm.com>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"Dongli Zhang" <dongli.zhang@oracle.com>,
"Florian Fainelli" <f.fainelli@gmail.com>,
"Frederic Weisbecker" <frederic@kernel.org>,
"Heiko Carstens" <hca@linux.ibm.com>,
"H. Peter Anvin" <hpa@zytor.com>,
"Ingo Molnar" <mingo@redhat.com>,
"Jason A. Donenfeld" <Jason@zx2c4.com>,
"Maciej W. Rozycki" <macro@orcam.me.uk>,
"Marc Zyngier" <maz@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Nathan Chancellor" <nathan@kernel.org>,
"Nick Desaulniers" <ndesaulniers@google.com>,
"Oleksandr Natalenko" <oleksandr@natalenko.name>,
"Peter Zijlstra" <peterz@infradead.org>,
"Qais Yousef" <qais.yousef@arm.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"Randy Dunlap" <rdunlap@infradead.org>,
"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>,
"Steven Price" <steven.price@arm.com>,
"Sven Schnelle" <svens@linux.ibm.com>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Tom Rix" <trix@redhat.com>,
"Valentin Schneider" <valentin.schneider@arm.com>,
"Vasily Gorbik" <gor@linux.ibm.com>,
"Wolfram Sang" <wsa+renesas@sang-engineering.com>,
"Yuan ZhaoXiong" <yuanzhaoxiong@baidu.com>,
YueHaibing <yuehaibing@huawei.com>
Subject: [PATCH 0/9] trival fix or improvement about irq_desc access
Date: Wed, 20 Apr 2022 22:05:12 +0800 [thread overview]
Message-ID: <20220420140521.45361-1-kernelfans@gmail.com> (raw)
When I went through the access of irq_to_desc(), I found the following
trival issue or improvement can be done.
[1-4/9]: clean up or small improvement
[5-6/9]: bugfix for access to irq_desc under releasable context
[7/9]: clean up
[8-9/9]: bugfix for irq debugfs
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Baokun Li <libaokun1@huawei.com>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "Cédric Le Goater" <clg@kaod.org>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Dongli Zhang <dongli.zhang@oracle.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Frederic Weisbecker <frederic@kernel.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: "Maciej W. Rozycki" <macro@orcam.me.uk>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Qais Yousef <qais.yousef@arm.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Steven Price <steven.price@arm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tom Rix <trix@redhat.com>
Cc: Valentin Schneider <valentin.schneider@arm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: Yuan ZhaoXiong <yuanzhaoxiong@baidu.com>
Cc: YueHaibing <yuehaibing@huawei.com>
To: linux-kernel@vger.kernel.org
Pingfan Liu (9):
irq/irqdesc: put the lock at the exact place in irq_sysfs_init()
irq/irqdesc: change the name of delete_irq_desc() to irq_delete_desc()
irq/manage: remove some unreferenced code
s390/irq: utilize RCU instead of irq_lock_sparse() in
show_msi_interrupt()
x86/irq: place for_each_active_irq() in rcu read section
pm/irq: make for_each_irq_desc() safe of irq_desc release
irq: remove needless lock in takedown_cpu()
irq: make irq_lock_sparse() independent of CONFIG_SPARSE_IRQ
irq/irqdesc: rename sparse_irq_lock to bitmap_lock
.clang-format | 1 -
arch/s390/kernel/irq.c | 11 ++++----
arch/x86/kernel/apic/io_apic.c | 3 +++
include/linux/irq.h | 1 -
include/linux/irqdesc.h | 10 +++-----
include/linux/irqnr.h | 3 ---
kernel/cpu.c | 15 ++++-------
kernel/irq/cpuhotplug.c | 4 +--
kernel/irq/debugfs.c | 4 +--
kernel/irq/irqdesc.c | 47 +++++++++++++++++-----------------
kernel/irq/manage.c | 15 -----------
kernel/irq/pm.c | 3 +++
12 files changed, 47 insertions(+), 70 deletions(-)
--
2.31.1
next reply other threads:[~2022-04-20 14:05 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-20 14:05 Pingfan Liu [this message]
2022-04-20 14:05 ` [PATCH 1/9] irq/irqdesc: put the lock at the exact place in irq_sysfs_init() Pingfan Liu
2022-04-20 14:05 ` [PATCH 2/9] irq/irqdesc: change the name of delete_irq_desc() to irq_delete_desc() Pingfan Liu
2022-04-20 14:05 ` [PATCH 3/9] irq/manage: remove some unreferenced code Pingfan Liu
2022-04-20 20:56 ` Miguel Ojeda
2022-04-20 14:05 ` [PATCH 4/9] s390/irq: utilize RCU instead of irq_lock_sparse() in show_msi_interrupt() Pingfan Liu
2022-04-20 18:16 ` Heiko Carstens
2022-04-21 3:36 ` Pingfan Liu
2022-04-21 11:42 ` Heiko Carstens
2022-04-22 9:56 ` Pingfan Liu
2022-04-22 10:02 ` [PATCHv2] " Pingfan Liu
2022-04-25 11:39 ` Heiko Carstens
2022-04-20 14:05 ` [PATCH 5/9] x86/irq: place for_each_active_irq() in rcu read section Pingfan Liu
2022-04-20 14:05 ` [PATCH 6/9] pm/irq: make for_each_irq_desc() safe of irq_desc release Pingfan Liu
2022-04-20 16:23 ` Rafael J. Wysocki
2022-04-21 3:31 ` Pingfan Liu
2022-04-21 10:57 ` Rafael J. Wysocki
2022-04-22 10:43 ` Pingfan Liu
2022-04-27 6:03 ` [PATCHv2] genirq/PM: Make " Pingfan Liu
2022-04-20 14:05 ` [PATCH 7/9] irq: remove needless lock in takedown_cpu() Pingfan Liu
2022-04-21 16:11 ` Thomas Gleixner
2022-04-25 2:57 ` Pingfan Liu
2022-04-25 9:43 ` Thomas Gleixner
2022-04-27 6:01 ` Pingfan Liu
2022-04-20 14:05 ` [PATCH 8/9] irq: make irq_lock_sparse() independent of CONFIG_SPARSE_IRQ Pingfan Liu
2022-04-20 14:05 ` [PATCH 9/9] irq/irqdesc: rename sparse_irq_lock to bitmap_lock Pingfan Liu
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