linux-kernel - [PATCH v2 1/2] selftests/vDSO: Add support for LoongArch

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Message-Id: <1689069425-17414-2-git-send-email-yangtiezhu@loongson.cn>
Date:   Tue, 11 Jul 2023 17:57:04 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Shuah Khan <shuah@...nel.org>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     linux-kselftest@...r.kernel.org, loongarch@...ts.linux.dev,
        linux-kernel@...r.kernel.org, loongson-kernel@...ts.loongnix.cn
Subject: [PATCH v2 1/2] selftests/vDSO: Add support for LoongArch

There exist the following errors when build vDSO selftests on LoongArch:

  # make headers && cd tools/testing/selftests/vDSO && make
  ...
  error: 'VDSO_VERSION' undeclared (first use in this function)
  ...
  error: 'VDSO_NAMES' undeclared (first use in this function)

We can see that VDSO_VERSION should be LINUX_5.10 and VDSO_NAMES should
be 1 for LoongArch in arch/loongarch/vdso/vdso.lds.S, add them to support
LoongArch.

Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
---
 tools/testing/selftests/vDSO/vdso_config.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/vDSO/vdso_config.h b/tools/testing/selftests/vDSO/vdso_config.h
index cdfed40..7b543e7 100644
--- a/tools/testing/selftests/vDSO/vdso_config.h
+++ b/tools/testing/selftests/vDSO/vdso_config.h
@@ -53,15 +53,19 @@
 #if __riscv_xlen == 32
 #define VDSO_32BIT		1
 #endif
+#elif defined(__loongarch__)
+#define VDSO_VERSION		6
+#define VDSO_NAMES		1
 #endif
 
-static const char *versions[6] = {
+static const char *versions[7] = {
 	"LINUX_2.6",
 	"LINUX_2.6.15",
 	"LINUX_2.6.29",
 	"LINUX_2.6.39",
 	"LINUX_4",
 	"LINUX_4.15",
+	"LINUX_5.10"
 };
 
 static const char *names[2][6] = {
-- 
2.1.0