Re: [PATCH] arm64: Work around Falkor erratum 1009

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Dec 08, 2016 at 11:45:12AM +0000, Mark Rutland wrote:
> On Wed, Dec 07, 2016 at 03:04:31PM -0500, Christopher Covington wrote:
> > +	asm volatile(ALTERNATIVE(
> > +		     "nop \n"
> > +		     "nop \n",
> > +		     "tlbi vmalle1is \n"
> > +		     "dsb ish \n",
> 
> As a general note, perhaps we want a C compatible NOP_ALTERNATIVE() so
> that the nop case can be implicitly generated for sequences like this.

It's also worth checking what cpus_have_const_cap() would generate for
the default (no workaround required) case.

-- 
Catalin
_______________________________________________
kvmarm mailing list
kvmarm@xxxxxxxxxxxxxxxxxxxxx
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm



[Index of Archives]     [Linux KVM]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux