> -----Original Message----- > From: Ingo Molnar <mingo.kernel.org@xxxxxxxxx> On Behalf Of Ingo Molnar > Sent: Wednesday, July 4, 2018 9:11 AM > To: KY Srinivasan <kys@xxxxxxxxxxxxx> > Cc: x86@xxxxxxxxxx; gregkh@xxxxxxxxxxxxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx; devel@xxxxxxxxxxxxxxxxxxxxxx; olaf@xxxxxxxxx; > apw@xxxxxxxxxxxxx; jasowang@xxxxxxxxxx; tglx@xxxxxxxxxxxxx; > hpa@xxxxxxxxx; Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>; Michael > Kelley (EOSG) <Michael.H.Kelley@xxxxxxxxxxxxx>; vkuznets@xxxxxxxxxx > Subject: Re: [PATCH 1/1] X86/Hyper-V:: Fix the circular dependency in IPI > enlightenment. > > > * kys@xxxxxxxxxxxxxxxxx <kys@xxxxxxxxxxxxxxxxx> wrote: > > > From: "K. Y. Srinivasan" <kys@xxxxxxxxxxxxx> > > > > The IPI hypercalls depend on being able to map the Linux notion of CPU ID > > to the hypervisor's notion of the CPU ID. The array hv_vp_index[] provides > > this mapping. Code for populating this array depends on the IPI > functionality. > > Break this circular dependency. > > > > Fixes: 68bb7bfb7985 ("X86/Hyper-V: Enable IPI enlightenments") > > > > Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> > > Tested-by: Michael Kelley <mikelley@xxxxxxxxxxxxx> > > --- > > arch/x86/hyperv/hv_apic.c | 5 +++++ > > arch/x86/hyperv/hv_init.c | 5 ++++- > > arch/x86/include/asm/mshyperv.h | 2 ++ > > 3 files changed, 11 insertions(+), 1 deletion(-) > > Ugh, this patch wasn't even build tested, on 64-bit allyes/allmodconfig: > > arch/x86/hyperv/hv_apic.c: In function ‘__send_ipi_mask’: > arch/x86/hyperv/hv_apic.c:171:4: error: label ‘ipi_mask_done’ used but not > defined > scripts/Makefile.build:317: recipe for target 'arch/x86/hyperv/hv_apic.o' > failed > make[2]: *** [arch/x86/hyperv/hv_apic.o] Error 1 Sorry Ingo. I had a clean build on the linux-next tree (tag: next-20180702) that I used to base this patch. What was the tree you applied the patch to? Regards, K. Y > > Thanks, > > Ingo _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel