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charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Mailer: Zimbra 8.5.0_GA_3042 (ZimbraWebClient - GC138 (Linux)/8.5.0_GA_3042) Thread-Topic: pci/hotplug/pnv_php: Enable third attention indicator Thread-Index: 1THlEb9At+uVSeMvjMGLUwEw4YbY8A== ----- Original Message ----- > From: "Krishna Kumar" > To: "Bjorn Helgaas" , "Timothy Pearson" > Cc: "linuxppc-dev" , "linux-kernel" , "linux-pci" > , "Madhavan Srinivasan" ,= "Michael Ellerman" , > "christophe leroy" , "Naveen N Rao" , "Bjorn Helgaas" > , "Shawn Anastasio" , "Lukas Wunner" > Sent: Monday, July 7, 2025 3:01:00 AM > Subject: Re: [PATCH v2 6/6] pci/hotplug/pnv_php: Enable third attention i= ndicator > Thanks all for the review and Thanks a bunch to Timothy for fixing the PE= Freeze > issue. The hotplug issues are like you fix N issue and N+1 th issue will = come > with new HW. >=20 > We had a meeting of around 1.5 -2.0 hr with demo, code review and log rev= iew and > we decided to let these fixes go ahead. I am consolidating what we discus= sed - >=20 >=20 > 1. Let these fixes go ahead as it solves wider and much needed customer i= ssue > and its urgently needed for time being. We have verified in live demo tha= t > nothing is broken from legacy flow and >=20 > PE/PHB freeze, race condition, hung, oops etc has been solved correctly. > Basically it fixes below issues - >=20 > root-port(phb) -> switch(having4 port)--> 2 nvme devices >=20 > 1st case - only removal of EP-nvme device (surprise hotplug disables msi = at root > port), soft removal may work > 2nd case=C2=A0 - If we remove switch itself (surprise hotplug disable msi= at root > port) . Just a quick follow up to see if anything else is needed from my end before= this merge can occur? Thanks!