[PATCH v2] ARM: net fix emit_udiv() for BPF_ALU | BPF_DIV | BPF_K intruction.
davem at davemloft.net
Sun May 10 16:20:55 PDT 2015
From: Nicolas Schichan <nschichan at freebox.fr>
Date: Wed, 6 May 2015 18:31:56 +0200
> In that case, emit_udiv() will be called with rn == ARM_R0 (r_scratch)
> and loading rm first into ARM_R0 will result in jit_udiv() function
> being called the same dividend and divisor. Fix that by loading rn
> first into ARM_R1 and then rm into ARM_R0.
> Signed-off-by: Nicolas Schichan <nschichan at freebox.fr>
> Cc: <stable at vger.kernel.org> # v3.13+
> Fixes: aee636c4809f (bpf: do not use reciprocal divide)
Applied, thank you.
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