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selftests/vDSO: fix building errors on LoongArch 

Patch series "selftests/vDSO: Fix errors on LoongArch", v4.


This patch (of 2):

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 the following code in arch/loongarch/vdso/vdso.lds.S:

VERSION
{
        LINUX_5.10 {
        global:
                __vdso_getcpu;
                __vdso_clock_getres;
                __vdso_clock_gettime;
                __vdso_gettimeofday;
                __vdso_rt_sigreturn;
        local: *;
        };
}

so VDSO_VERSION should be 6 and VDSO_NAMES should be 1 for LoongArch,
add them to fix the building errors on LoongArch.

Link: https://lkml.kernel.org/r/20240428030530.24399-1-yangtiezhu@loongson.cn
Link: https://lkml.kernel.org/r/20240428030530.24399-2-yangtiezhu@loongson.cn
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Tiezhu Yang 2024-04-28 11:05:29 +08:00 committed by Andrew Morton
parent 77ddd726f9
commit dc8dc573aa
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
tools/testing/selftests/vDSO/vdso_config.h
View File

@ -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] = {