From: Sergei Shtylyov <sergei.shtylyov@gmail.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
greybus-dev@lists.linaro.org, linux-i2c@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev,
linux-usb@vger.kernel.org, netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>,
Alex Elder <elder@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Hans de Goede <hdegoede@redhat.com>,
Jakub Kicinski <kuba@kernel.org>, Johan Hovold <johan@kernel.org>,
Lee Jones <lee.jones@linaro.org>,
Rui Miguel Silva <rmfrfs@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
UNGLinuxDriver@microchip.com, Wolfram Sang <wsa@kernel.org>,
Woojung Huh <woojung.huh@microchip.com>
Subject: Re: [PATCH 4/7] mfd: hi6421-spmi-pmic: Use generic_handle_irq_safe().
Date: Fri, 28 Jan 2022 13:23:08 +0300 [thread overview]
Message-ID: <44b42c37-67a4-1d20-e2ff-563d4f9bfae2@gmail.com> (raw)
In-Reply-To: <20220127113303.3012207-5-bigeasy@linutronix.de>
On 1/27/22 2:33 PM, Sebastian Andrzej Siewior wrote:
> generic_handle_irq() is invoked from a regular interrupt service
> routing. This handler will become a forced-threaded handler on
s/routing/routine/?
> PREEMPT_RT and will be invoked with enabled interrupts. The
> generic_handle_irq() must be invoked with disabled interrupts in order
> to avoid deadlocks.
>
> Instead of manually disabling interrupts before invoking use
> generic_handle_irq() which can be invoked with enabled and disabled
> interrupts.
>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
[...]
MBR, Sergey
next prev parent reply other threads:[~2022-01-28 10:23 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-27 11:32 [PATCH 0/7] Provide and use generic_handle_irq_safe() where appropriate Sebastian Andrzej Siewior
2022-01-27 11:32 ` [PATCH 1/7] genirq: Provide generic_handle_irq_safe() Sebastian Andrzej Siewior
2022-01-27 11:48 ` Hans de Goede
2022-01-27 14:40 ` Oleksandr Natalenko
2022-01-27 17:03 ` Wolfram Sang
2022-01-31 10:47 ` Sebastian Andrzej Siewior
2022-01-28 10:18 ` Sergei Shtylyov
2022-01-31 10:51 ` Sebastian Andrzej Siewior
2022-01-27 11:32 ` [PATCH 2/7] i2c: core: Use generic_handle_irq_safe() in i2c_handle_smbus_host_notify() Sebastian Andrzej Siewior
2022-01-27 14:41 ` Oleksandr Natalenko
2022-01-31 11:09 ` Sebastian Andrzej Siewior
2022-01-27 17:11 ` Wolfram Sang
2022-01-31 11:07 ` Sebastian Andrzej Siewior
2022-01-27 11:32 ` [PATCH 3/7] i2c: cht-wc: Use generic_handle_irq_safe() Sebastian Andrzej Siewior
2022-01-27 11:48 ` Hans de Goede
2022-01-27 17:16 ` Wolfram Sang
2022-01-31 11:10 ` Sebastian Andrzej Siewior
2022-01-27 11:33 ` [PATCH 4/7] mfd: hi6421-spmi-pmic: " Sebastian Andrzej Siewior
2022-01-28 10:23 ` Sergei Shtylyov [this message]
2022-01-28 13:33 ` Lee Jones
2022-01-28 15:28 ` Sergei Shtylyov
2022-01-28 16:44 ` Sergei Shtylyov
2022-01-28 16:50 ` Lee Jones
2022-01-28 19:37 ` Sergei Shtylyov
2022-01-31 11:16 ` Sebastian Andrzej Siewior
2022-01-27 11:33 ` [PATCH 5/7] mfd: ezx-pcap: " Sebastian Andrzej Siewior
2022-01-27 11:33 ` [PATCH 6/7] net: usb: lan78xx: " Sebastian Andrzej Siewior
2022-01-27 11:33 ` [PATCH 7/7] staging: greybus: gpio: " Sebastian Andrzej Siewior
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