From: arnd@arndb.de (Arnd Bergmann)
Subject: [PATCH v6 19/19] kselftest: Extend vDSO selftest
Date: Fri, 31 May 2019 10:53:39 +0200 [thread overview]
Message-ID: <CAK8P3a3Z=wWQDu4aqV73J5PR2jNb3GzyWzYGT3dUp-F81H8mzQ@mail.gmail.com> (raw)
Message-ID: <20190531085339.P9R2RmMsRzgVO0f4tXndl2t4Y5fm2euidpgW7UMOuxY@z> (raw)
In-Reply-To: <20190530141531.43462-20-vincenzo.frascino@arm.com>
On Thu, May 30, 2019 at 4:16 PM Vincenzo Frascino
<vincenzo.frascino@arm.com> wrote:
> +/*
> + * ARM64's vDSO exports its vDSO implementation with different names and
> + * a different version from other architectures, so we need to handle it
> + * as a special case.
> + */
> +#if defined(__aarch64__)
> +const char *version = "LINUX_2.6.39";
> +const char *name[4] = {
> + "__kernel_gettimeofday",
> + "__kernel_clock_gettime",
> + "__kernel_time",
> + "__kernel_clock_getres",
> +};
> +#else
> +/* Tested on x86, arm, mips */
> +const char *version = "LINUX_2.6";
> +const char *name[4] = {
> + "__vdso_gettimeofday",
> + "__vdso_clock_gettime",
> + "__vdso_time",
> + "__vdso_clock_getres",
> +};
> +#endif
I see the __kernel_* name used on arm64, powerpc and s390, whiel the __vdso_*
name is used on arm, mips, nds32, riscv, sparc, and x86.
Also the versions have more variants:
$ git ls-files arch | grep vdso | xargs grep
'\(LINUX_[2345]\|VDSO_VERSION_STRING\)'
arch/arm/vdso/vdso.lds.S: LINUX_2.6 {
arch/arm64/kernel/vdso/vdso.lds.S: LINUX_2.6.39 {
arch/mips/vdso/vdso.lds.S: LINUX_2.6 {
arch/nds32/kernel/vdso/vdso.lds.S: LINUX_4 {
arch/powerpc/include/asm/vdso.h:#define VDSO_VERSION_STRING LINUX_2.6.15
arch/powerpc/kernel/vdso32/vdso32.lds.S: VDSO_VERSION_STRING {
arch/powerpc/kernel/vdso64/vdso64.lds.S: VDSO_VERSION_STRING {
arch/riscv/kernel/vdso/vdso.lds.S: LINUX_4.15 {
arch/s390/include/asm/vdso.h:#define VDSO_VERSION_STRING LINUX_2.6.29
arch/s390/kernel/vdso32/vdso32.lds.S: VDSO_VERSION_STRING {
arch/s390/kernel/vdso64/vdso64.lds.S: VDSO_VERSION_STRING {
arch/sparc/vdso/vdso.lds.S: LINUX_2.6 {
arch/sparc/vdso/vdso32/vdso32.lds.S: LINUX_2.6 {
arch/x86/entry/vdso/vdso.lds.S: LINUX_2.6 {
arch/x86/entry/vdso/vdso32/vdso32.lds.S: LINUX_2.6 {
arch/x86/entry/vdso/vdso32/vdso32.lds.S: LINUX_2.5 {
arch/x86/entry/vdso/vdsox32.lds.S: LINUX_2.6 {
arch/x86/um/vdso/vdso.lds.S: LINUX_2.6 {
Maybe change the test case to just try all combinations of the
above (and __vdso_clock_gettime64 as well) and stop checking
the architecture?
Arnd
next prev parent reply other threads:[~2019-05-31 8:53 UTC|newest]
Thread overview: 126+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-30 14:15 [PATCH v6 00/19] Unify vDSOs across more architectures vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 01/19] kernel: Standardize vdso_datapage vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-31 8:16 ` arnd
2019-05-31 8:16 ` Arnd Bergmann
2019-06-04 12:05 ` vincenzo.frascino
2019-06-04 12:05 ` Vincenzo Frascino
2019-06-10 17:47 ` huw
2019-06-10 17:47 ` Huw Davies
2019-06-10 17:47 ` Huw Davies
2019-06-10 9:27 ` huw
2019-06-10 9:27 ` Huw Davies
2019-06-10 9:27 ` Huw Davies
2019-06-10 10:17 ` vincenzo.frascino
2019-06-10 10:17 ` Vincenzo Frascino
2019-06-10 10:17 ` Vincenzo Frascino
2019-06-10 10:31 ` huw
2019-06-10 10:31 ` Huw Davies
2019-06-10 10:31 ` Huw Davies
2019-06-10 11:07 ` vincenzo.frascino
2019-06-10 11:07 ` Vincenzo Frascino
2019-06-10 11:07 ` Vincenzo Frascino
2019-06-10 11:37 ` huw
2019-06-10 11:37 ` Huw Davies
2019-06-10 11:37 ` Huw Davies
2019-05-30 14:15 ` [PATCH v6 02/19] kernel: Define gettimeofday vdso common code vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-31 8:19 ` arnd
2019-05-31 8:19 ` Arnd Bergmann
2019-06-04 12:08 ` vincenzo.frascino
2019-06-04 12:08 ` Vincenzo Frascino
2019-06-10 9:31 ` huw
2019-06-10 9:31 ` Huw Davies
2019-06-10 9:31 ` Huw Davies
2019-06-10 10:18 ` vincenzo.frascino
2019-06-10 10:18 ` Vincenzo Frascino
2019-06-10 10:18 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 03/19] kernel: Unify update_vsyscall implementation vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-06-10 9:34 ` huw
2019-06-10 9:34 ` Huw Davies
2019-06-10 9:34 ` Huw Davies
2019-06-10 10:19 ` vincenzo.frascino
2019-06-10 10:19 ` Vincenzo Frascino
2019-06-10 10:19 ` Vincenzo Frascino
2019-06-14 11:10 ` Thomas Gleixner
2019-06-14 12:15 ` Vincenzo Frascino
2019-06-14 12:19 ` Thomas Gleixner
2019-06-14 12:25 ` Vincenzo Frascino
2019-06-14 13:07 ` Thomas Gleixner
2019-05-30 14:15 ` [PATCH v6 04/19] arm64: Substitute gettimeofday with C implementation vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 05/19] arm64: Build vDSO with -ffixed-x18 vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 06/19] arm64: compat: Add missing syscall numbers vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 07/19] arm64: compat: Expose signal related structures vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 08/19] arm64: compat: Generate asm offsets for signals vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 09/19] lib: vdso: Add compat support vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 10/19] arm64: compat: Add vDSO vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 11/19] arm64: Refactor vDSO code vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 12/19] arm64: compat: vDSO setup for compat layer vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 13/19] arm64: elf: vDSO code page discovery vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 14/19] arm64: compat: Get sigreturn trampolines from vDSO vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 15/19] arm64: Add vDSO compat support vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-06-01 9:38 ` catalin.marinas
2019-06-01 9:38 ` Catalin Marinas
2019-06-04 12:10 ` vincenzo.frascino
2019-06-04 12:10 ` Vincenzo Frascino
2019-05-30 14:15 ` [PATCH v6 16/19] arm: Add support for generic vDSO vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-31 8:32 ` arnd
2019-05-31 8:32 ` Arnd Bergmann
2019-05-30 14:15 ` [PATCH v6 17/19] mips: " vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-31 8:34 ` arnd
2019-05-31 8:34 ` Arnd Bergmann
2019-06-03 14:54 ` salyzyn
2019-06-03 14:54 ` Mark Salyzyn
2019-06-03 17:07 ` arnd
2019-06-03 17:07 ` Arnd Bergmann
2019-05-30 14:15 ` [PATCH v6 18/19] x86: " vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-30 15:41 ` mikelley
2019-05-30 15:41 ` Michael Kelley
2019-06-04 12:13 ` vincenzo.frascino
2019-06-04 12:13 ` Vincenzo Frascino
2019-06-14 11:15 ` Thomas Gleixner
2019-06-14 21:17 ` Sasha Levin
2019-06-22 14:46 ` Thomas Gleixner
2019-06-23 19:09 ` Sasha Levin
2019-06-23 21:58 ` Stephen Rothwell
2019-06-24 0:24 ` Sasha Levin
2019-06-24 1:20 ` Stephen Rothwell
2019-06-23 22:12 ` Thomas Gleixner
2019-06-24 0:04 ` Michael Kelley
2019-06-24 0:25 ` Thomas Gleixner
2019-06-28 18:40 ` Michael Kelley
2019-05-30 14:15 ` [PATCH v6 19/19] kselftest: Extend vDSO selftest vincenzo.frascino
2019-05-30 14:15 ` Vincenzo Frascino
2019-05-31 8:53 ` arnd [this message]
2019-05-31 8:53 ` Arnd Bergmann
2019-05-31 8:46 ` [PATCH v6 00/19] Unify vDSOs across more architectures arnd
2019-05-31 8:46 ` Arnd Bergmann
2019-06-04 12:04 ` vincenzo.frascino
2019-06-04 12:04 ` Vincenzo Frascino
2019-06-04 12:12 ` arnd
2019-06-04 12:12 ` Arnd Bergmann
2019-06-05 14:32 ` vincenzo.frascino
2019-06-05 14:32 ` Vincenzo Frascino
2019-06-14 12:16 ` Thomas Gleixner
2019-06-14 12:19 ` Vincenzo Frascino
2019-06-20 6:17 ` Shijith Thotton
2019-06-20 8:55 ` Vincenzo Frascino
2019-06-20 16:27 ` Andre Przywara
2019-06-21 9:11 ` Vincenzo Frascino
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