Hyper-V on ARM64 doesn't provide a flag for the AEOI recommendation in ms_hyperv.hints, so having the test in architecture independent code doesn't work. Resolve this by moving the check of the flag to an architecture dependent helper function. No functionality is changed. Signed-off-by: Michael Kelley <mikelley@xxxxxxxxxxxxx> --- arch/x86/include/asm/mshyperv.h | 2 ++ drivers/hv/hv.c | 6 +----- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h index 1c42ecbe75cb..d30805ed323e 100644 --- a/arch/x86/include/asm/mshyperv.h +++ b/arch/x86/include/asm/mshyperv.h @@ -35,6 +35,8 @@ typedef int (*hyperv_fill_flush_list_func)( rdmsrl(HV_X64_MSR_SINT0 + int_num, val) #define hv_set_synint_state(int_num, val) \ wrmsrl(HV_X64_MSR_SINT0 + int_num, val) +#define hv_recommend_using_aeoi() \ + (!(ms_hyperv.hints & HV_DEPRECATING_AEOI_RECOMMENDED)) #define hv_get_crash_ctl(val) \ rdmsrl(HV_X64_MSR_CRASH_CTL, val) diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index 6098e0cbdb4b..533c8b82b344 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -184,11 +184,7 @@ void hv_synic_enable_regs(unsigned int cpu) shared_sint.vector = HYPERVISOR_CALLBACK_VECTOR; shared_sint.masked = false; - if (ms_hyperv.hints & HV_DEPRECATING_AEOI_RECOMMENDED) - shared_sint.auto_eoi = false; - else - shared_sint.auto_eoi = true; - + shared_sint.auto_eoi = hv_recommend_using_aeoi(); hv_set_synint_state(VMBUS_MESSAGE_SINT, shared_sint.as_uint64); /* Enable the global synic bit */ -- 2.18.2
