| Date | Fri, 11 Dec 2020 10:04:36 +0000 | From | Lee Jones <> | Subject | Re: [patch 16/30] mfd: ab8500-debugfs: Remove the racy fiddling with irq_desc |
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On Thu, 10 Dec 2020, Thomas Gleixner wrote:
> First of all drivers have absolutely no business to dig into the internals > of an irq descriptor. That's core code and subject to change. All of this > information is readily available to /proc/interrupts in a safe and race > free way. > > Remove the inspection code which is a blatant violation of subsystem > boundaries and racy against concurrent modifications of the interrupt > descriptor. > > Print the irq line instead so the information can be looked up in a sane > way in /proc/interrupts. > > Signed-off-by: Thomas Gleixner <tglx@linutronix.de> > Cc: Linus Walleij <linus.walleij@linaro.org> > Cc: Lee Jones <lee.jones@linaro.org> > Cc: linux-arm-kernel@lists.infradead.org > --- > drivers/mfd/ab8500-debugfs.c | 16 +++------------- > 1 file changed, 3 insertions(+), 13 deletions(-)
Acked-by: Lee Jones <lee.jones@linaro.org>
-- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog
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