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app/testpmd: fix parsing RSS queue rule
[ upstream commit 9a45c49 ] Declare a local variable 'arg' to hold the pointer to ARGS_ENTRY_ARB, otherwise, the pop 'arg' in 'parse_int' holds wrong data like 'arg-> offset = 5912737, arg->size = 0', this caused the parse failure. If calling like 'push_args(ctx, ARGS_ENTRY_ARB..)', the below code for assigning 'offset & size' will be missed for some gcc optimization. parse_vc_action_rss_queue 29c5: c5 f9 ef c0 vpxor %xmm0,%xmm0,%xmm0 29c9: 43 8d 44 24 68 lea 0x68(%r12,%r12,1),%eax 29ce: 48 c7 44 24 20 00 00 movq $0x0,0x20(%rsp) 29d5: 00 00 29d7: c5 f8 29 44 24 10 vmovaps %xmm0,0x10(%rsp) 29dd: 89 44 24 18 mov %eax,0x18(%rsp) 29e1: 48 63 83 0c 01 00 00 movslq 0x10c(%rbx),%rax 29e8: c7 44 24 1c 02 00 00 movl $0x2,0x1c(%rsp) 29ef: 00 29f0: c5 f8 29 04 24 vmovaps %xmm0,(%rsp) The above assembly code is from this modification with: gcc version 9.1.1 20190503 (Red Hat 9.1.1-1) (GCC) Fedora release 30 (Thirty) 5.1.11-300.fc30.x86_64 Fixes: d0ad864 ("app/testpmd: fix RSS flow action configuration") Signed-off-by: Haiyue Wang <haiyue.wang@intel.com> Reviewed-by: Xiaolong Ye <xiaolong.ye@intel.com> Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>
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