diff options
| author | Nuno Das Neves <nunodasneves@linux.microsoft.com> | 2025-03-14 22:28:50 +0300 |
|---|---|---|
| committer | Wei Liu <wei.liu@kernel.org> | 2025-03-21 00:23:04 +0300 |
| commit | af37bc759f1064cc4dc0a6a12afd3fb25c12fe4d (patch) | |
| tree | ff37d813ae9df271b259def1529ba1d0c5e93cad /drivers/hv/hv.c | |
| parent | feba84c2c98109cd784de931240c0dab6396c0d7 (diff) | |
| download | linux-af37bc759f1064cc4dc0a6a12afd3fb25c12fe4d.tar.xz | |
hyperv: Introduce hv_recommend_using_aeoi()
Factor out the check for enabling auto eoi, to be reused in root
partition code.
No functional changes.
Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Reviewed-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com>
Reviewed-by: Easwar Hariharan <eahariha@linux.microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Tianyu Lan <tiala@microsoft.com>
Link: https://lore.kernel.org/r/1741980536-3865-5-git-send-email-nunodasneves@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1741980536-3865-5-git-send-email-nunodasneves@linux.microsoft.com>
Diffstat (limited to 'drivers/hv/hv.c')
| -rw-r--r-- | drivers/hv/hv.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index a38f84548bc2..308c8f279df8 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -313,17 +313,7 @@ void hv_synic_enable_regs(unsigned int cpu) shared_sint.vector = vmbus_interrupt; shared_sint.masked = false; - - /* - * On architectures where Hyper-V doesn't support AEOI (e.g., ARM64), - * it doesn't provide a recommendation flag and AEOI must be disabled. - */ -#ifdef HV_DEPRECATING_AEOI_RECOMMENDED - shared_sint.auto_eoi = - !(ms_hyperv.hints & HV_DEPRECATING_AEOI_RECOMMENDED); -#else - shared_sint.auto_eoi = 0; -#endif + shared_sint.auto_eoi = hv_recommend_using_aeoi(); hv_set_msr(HV_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64); /* Enable the global synic bit */ |