Subject: [PATCH v2 2/5] arm64: Work around Falkor erratum 1003

From: [email-masked] (Mark Rutland)
Date: Tue, 3 Jan 2017 15:55:02 +0000

Hi,

On Thu, Dec 29, 2016 at 05:43:32PM -0500, Christopher Covington wrote:
> +config QCOM_FALKOR_E1003_RESERVED_ASID
> +	int
> +	default 1
> +	depends on QCOM_FALKOR_ERRATUM_1003
> +

I don't think this needs to be configurable, so let's drop this into a
header, e.g. drop:

#define FALKOR_RESERVED_ASID	1

... in <asm/mmu_context.h>, protecting the rest with an ifndef
__ASSEMBLY__ guard.

[...]

> +#ifdef CONFIG_QCOM_FALKOR_ERRATUM_1003
> +alternative_if ARM64_WORKAROUND_QCOM_FALKOR_E1003
> +	mrs     x2, ttbr0_el1                   // get cuurent TTBR0_EL1
> +	mov     x3, #CONFIG_QCOM_FALKOR_ERRATUM_1003	// reserved ASID

Wrong macro? That's not the ASID.

Thanks,
Mark.