On Mon, Jun 24 2024 at 18:55, Roman Kagan wrote: > According to Arm CoreLink GIC-700 erratum 2195890, on GIC revisions > r0p0, r0p1, r1p0 under certain conditions LPIs may remain in the Pending > Table until one of a number of external events occurs. > > No LPIs are lost but they may not be delivered in a finite time. > > The workaround is to issue an INV using GICR_INVLPIR to an unused, in > range LPI ID to retrigger the search. > > Add this workaround to the quirk table. When the quirk is applicable, > carve out one LPI ID from the available range and run periodic work to > do INV to it, in order to prevent GIC from stalling. > > TT: https://t.corp.amazon.com/D82032616 Can you please refrain from providing internal links? > Signed-off-by: Elad Rosner <eladros@xxxxxxxxxx> > Signed-off-by: Mohamed Mediouni <mediou@xxxxxxxxxx> > Signed-off-by: Roman Kagan <rkagan@xxxxxxxxx> That Signed-off-by chain is invalid. See Documentation/process/ Thanks, tglx
