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authorXi Wang <xi.wang@gmail.com>2015-06-26 04:39:15 +0300
committerCatalin Marinas <catalin.marinas@arm.com>2015-06-26 16:15:39 +0300
commitd63903bbc30c7ccad040851dfdb4da12d9a17bcf (patch)
tree6ddc09f1a2289e833b51b373049649f416a586bf /drivers/irqchip/irq-vic.c
parent8eee539ddea09bccae2426f09b0ba6a18b72b691 (diff)
downloadlinux-d63903bbc30c7ccad040851dfdb4da12d9a17bcf.tar.xz
arm64: bpf: fix endianness conversion bugs
Upper bits should be zeroed in endianness conversion: - even when there's no need to change endianness (i.e., BPF_FROM_BE on big endian or BPF_FROM_LE on little endian); - after rev16. This patch fixes such bugs by emitting extra instructions to clear upper bits. Cc: Zi Shen Lim <zlim.lnx@gmail.com> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Fixes: e54bcde3d69d ("arm64: eBPF JIT compiler") Cc: <stable@vger.kernel.org> # 3.18+ Signed-off-by: Xi Wang <xi.wang@gmail.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'drivers/irqchip/irq-vic.c')
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