[PATCH v12 08/16] arm64/kexec: Add core kexec support

Pratyush Anand panand at redhat.com
Fri Nov 27 05:13:06 PST 2015


Hi Geoff,

On 24/11/2015:10:25:34 PM, Geoff Levand wrote:
> +	/* Test the entry flags. */
> +.Ltest_source:
> +	tbz	x18, IND_SOURCE_BIT, .Ltest_indirection
> +
> +	mov x20, x13				/*  x20 = copy dest */
> +	mov x21, x12				/*  x21 = copy src */

Till v10 we had here invalidation for relocated destination page to PoC. I could
not understand, why it was removed. Removing that piece of code breaks kexec
booting with mustang. I need [1] to kexec boot into second kernel with mustang
platform.

[1]
https://github.com/pratyushanand/linux/commit/431e3247391981a1e8b2864a83a5743e8a274cb9

~Pratyush



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