On Sun, 2023-04-09 at 18:13 -0700, Randy Dunlap wrote: > Current build of pata_cs5536 for i386 UML fails with: > > ERROR: modpost: "__tracepoint_write_msr" [drivers/ata/pata_cs5536.ko] undefined! > ERROR: modpost: "do_trace_write_msr" [drivers/ata/pata_cs5536.ko] undefined! > ERROR: modpost: "__tracepoint_read_msr" [drivers/ata/pata_cs5536.ko] undefined! > ERROR: modpost: "do_trace_read_msr" [drivers/ata/pata_cs5536.ko] undefined! > > Add the arch/x86/lib/msr.o binary to resolve these undefined symbols. > Hm. Does this make sense? I can't see it'd work on UML to configure an IDE device through MSRs? Surely that can't work? IOW, that entire driver can't really work anyway can it? OTOH, maybe theoretically it could work in PCI, just not with MSRs, and then this patch makes some sense? johannes
