Hi Julien,
On 11/06/2019 10:38, Julien Thierry wrote:
> Hi,
>
> Version one[1] of this series attempted to fix the issue reported by
> Zenghui[2] when using the function_graph tracer with IRQ priority
> masking.
>
> Since then, I realized that priority masking and the use of Pseudo-NMIs
> was more broken than I thought.
>
> * Patch 1-2 are just some cleanup
> * Patch 3 fixes a potential issue with not clobbering condition flags
> in irqflags operations
> * Patch 4 fixes an issue where calling C code in Pseudo-NMI before
> entering NMI enter could lead to potential races
> * Patch 5 fixes the function_graph issue when using priority masking
> * Patch 6 introduces some debug to hopefully avoid breaking things in
> the future
> * Patch 7 is a rebased version of the patch sent by Wei Li[3] fixing
> an error that can happen during on some platform using the priority
> masking feature
> * Patch 8 re-enables the Pseudo-NMI selection
>
> Changes since V3 [4]:
> - Rebase on v5.2-rc4
> - Fix comments/typos/missed updates
> - Use single condition evalution for nmi_enter and nmi_exit
Thanks for following up on this. For the whole series:
Reviewed-by: Marc Zyngier <marc.zyng...@arm.com>
M.
--
Jazz is not dead. It just smells funny...
