[PATCH] arm64: Work around Falkor erratum 1009
flat view
From: catalin.marinas@arm.com (Catalin Marinas)
Date: 2016-12-08 13:27:53
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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:quoted
+ 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