Messages in this thread |  | | From | Marc Zyngier <> | Subject | Re: [PATCH -next] irq-chip/gic-v3-its: Fixed an issue where the ITS executes the residual commands in the queue again when the ITS wakes up from sleep mode. | Date | Sun, 22 Nov 2020 12:47:48 +0000 |
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On Sat, 7 Nov 2020 10:42:26 +0000, Xu Qiang wrote: > On my platform, ITS_FLAGS_SAVE_SUSPEND_STATE is not set,thus do nothing > in its suspend and resuse function.On the other hand,firmware stores > GITS_CTRL,GITS_CBASER,GITS_CWRITER and GITS_BASER<n> in the suspend, > and restores these registers in the resume. As a result, the ITS executes > the residual commands in the queue. > > Memory corruption may occur in the following scenarios: > > [...]
Applied to irq/irqchip-next, thanks!
[1/1] irqchip/gic-v3-its: Unconditionally save/restore the ITS state on suspend commit: a51f7296f38f498c6f186c82ae3aa25ae10bb266
Cheers,
M. -- Without deviation from the norm, progress is not possible.
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