On Mon, Jun 24, 2024 at 11:44:11PM +0200, Thomas Gleixner wrote: > 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/ ACK to all, will fix (sorry haven't posted patches for a while, muscle memory got rusty). Thanks, Roman. Amazon Web Services Development Center Germany GmbH Krausenstr. 38 10117 Berlin Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss Eingetragen am Amtsgericht Charlottenburg unter HRB 257764 B Sitz: Berlin Ust-ID: DE 365 538 597
