RE: MSI CPU affinity for ARM64
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Date: Mon, 09 Jan 2023 07:13:50 UTC
> -----Original Message----- > From: Souradeep Chakrabarti > Sent: Saturday, January 7, 2023 8:24 PM > To: freebsd-arm@FreeBSD.org; Li-Wen Hsu <email@example.com> > Cc: Wei Hu <firstname.lastname@example.org> > Subject: MSI CPU affinity for ARM64 > > Hi, > I am trying to understand how we can find the target CPU for MSI in ARM64. > When looking at gic_v3 code I can see following: > gic_v3_bind_intr( ) does mapping to next incremental CPU but gic_v3_dist_init( ) > does setup boot cpu as the target CPU for MSI interrupts. > > If I need to find the CPU bound with a particular MSI interrupt, how we can do that? > > Also is there a way get the the CPU id from the CPU affinity in ARM? > > Thanks & Regards, > Souradeep [Souradeep] Adding FreeBSD Hackers on the mail thread.