linux-kernel - [PATCH bpf-next] selftests/bpf: Fix build error for LoongArch

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Message-Id: <1676458867-22052-1-git-send-email-yangtiezhu@loongson.cn>
Date:   Wed, 15 Feb 2023 19:01:07 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>
Cc:     bpf@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH bpf-next] selftests/bpf: Fix build error for LoongArch

There exists build error when make -C tools/testing/selftests/bpf/
on LoongArch:

  BINARY   test_verifier
In file included from test_verifier.c:27:
tools/include/uapi/linux/bpf_perf_event.h:14:28: error: field 'regs' has incomplete type
   14 |         bpf_user_pt_regs_t regs;
      |                            ^~~~
make: *** [Makefile:577: tools/testing/selftests/bpf/test_verifier] Error 1
make: Leaving directory 'tools/testing/selftests/bpf'

Add missing uapi header for LoongArch to use the following definition:
typedef struct user_pt_regs bpf_user_pt_regs_t;

Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
---
 tools/include/uapi/asm/bpf_perf_event.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/include/uapi/asm/bpf_perf_event.h b/tools/include/uapi/asm/bpf_perf_event.h
index d7dfeab..ff52668 100644
--- a/tools/include/uapi/asm/bpf_perf_event.h
+++ b/tools/include/uapi/asm/bpf_perf_event.h
@@ -6,6 +6,8 @@
 #include "../../arch/s390/include/uapi/asm/bpf_perf_event.h"
 #elif defined(__riscv)
 #include "../../arch/riscv/include/uapi/asm/bpf_perf_event.h"
+#elif defined(__loongarch__)
+#include "../../arch/loongarch/include/uapi/asm/bpf_perf_event.h"
 #else
 #include <uapi/asm-generic/bpf_perf_event.h>
 #endif
-- 
2.1.0