On 24/05/2019 14:27, Will Deacon wrote:

Although we merged support for pseudo-nmi using interrupt priority masking in 5.1, we've since uncovered a number of non-trivial issues with the implementation. Although there are patches pending to address these problems, we're facing issues that prevent us from merging them at this current time:

https://lkml.kernel.org/r/1556553607-46531-1-git-send-email-julien.thierry@a...

For now, simply mark this optional feature as BROKEN in the hope that we can fix things properly in the near future.

Cc: stable@vger.kernel.org # 5.1 Cc: Marc Zyngier marc.zyngier@arm.com Cc: Julien Thierry julien.thierry@arm.com Signed-off-by: Will Deacon will.deacon@arm.com

---

arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 6a9544606da3..f6275c265d41 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1422,6 +1422,7 @@ config ARM64_MODULE_PLTS config ARM64_PSEUDO_NMI bool "Support for NMI-like interrupts"

• depends on BROKEN # 1556553607-46531-1-git-send-email-julien.thierry@arm.com select CONFIG_ARM_GIC_V3 help Adds support for mimicking Non-Maskable Interrupts through the use of

Acked-by: Marc Zyngier marc.zyngier@arm.com

M.