> -----Original Message----- > From: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> > Sent: Friday, June 22, 2018 10:06 AM > To: x86@xxxxxxxxxx > Cc: devel@xxxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; KY Srinivasan > <kys@xxxxxxxxxxxxx>; Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>; Stephen Hemminger > <sthemmin@xxxxxxxxxxxxx>; Thomas Gleixner <tglx@xxxxxxxxxxxxx>; Ingo Molnar > <mingo@xxxxxxxxxx>; H. Peter Anvin <hpa@xxxxxxxxx>; Tianyu Lan > <Tianyu.Lan@xxxxxxxxxxxxx>; Michael Kelley (EOSG) <Michael.H.Kelley@xxxxxxxxxxxxx> > Subject: [PATCH 2/4] x86/hyper-v: use 'fast' hypercall for HVCALL_SEND_IPI > > Current Hyper-V TLFS (v5.0b) claims that HvCallSendSyntheticClusterIpi > hypercall can't be 'fast' (passing parameters through registers) but > apparently this is not true, Windows always uses 'fast' version. We can > do the same in Linux too. > > Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx> _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel