From: Wolfram Sang Date: Thu, 2 Jul 2020 22:20:24 +0000 (+0200) Subject: lib: update DEBUG_SHIRQ docs to match reality X-Git-Tag: 5.9-rc-smb3-fixes-part2~33^2~34 X-Git-Url: http://git.samba.org/samba.git/?a=commitdiff_plain;h=0a2fae2aea4a21b59d4a920b9765aaa696270b16;p=sfrench%2Fcifs-2.6.git lib: update DEBUG_SHIRQ docs to match reality There is no extra interrupt when registering a shared interrupt handler since 2011. Update the Kconfig text to make it clear and to avoid wrong assumptions when debugging issues found by it. Fixes: 6d83f94db95c ("genirq: Disable the SHIRQ_DEBUG call in request_threaded_irq for now") Link: https://lore.kernel.org/linux-i2c/859e8211-2c56-8dd5-d6fb-33e4358e4128@pengutronix.de/T/#mf24d7070d7e0c8f17b6be6ceb51df94b7d7613b3 Reviewed-by: Krzysztof Kozlowski Acked-by: Andy Shevchenko Signed-off-by: Wolfram Sang Link: https://lore.kernel.org/r/20200702222024.6915-1-wsa+renesas@sang-engineering.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 9ad9210d70a1..2bff6315224d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -844,10 +844,10 @@ config DEBUG_SHIRQ bool "Debug shared IRQ handlers" depends on DEBUG_KERNEL help - Enable this to generate a spurious interrupt as soon as a shared - interrupt handler is registered, and just before one is deregistered. - Drivers ought to be able to handle interrupts coming in at those - points; some don't and need to be caught. + Enable this to generate a spurious interrupt just before a shared + interrupt handler is deregistered (generating one when registering + is currently disabled). Drivers need to handle this correctly. Some + don't and need to be caught. menu "Debug Oops, Lockups and Hangs"