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author | Vincenzo Frascino <vincenzo.frascino@arm.com> | 2019-06-21 10:52:36 +0100 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2019-06-22 21:21:05 +0200 |
commit | 629fdf77ac4584b73bf3a7a07f5fc5ab0d27afdc (patch) | |
tree | 0a875159bc79c22b1ab80706e9d183b9b12ef61d /lib/vdso | |
parent | 00b26474c2f1613d7ab894c525f775c67c8a9e8f (diff) | |
download | lwn-629fdf77ac4584b73bf3a7a07f5fc5ab0d27afdc.tar.gz lwn-629fdf77ac4584b73bf3a7a07f5fc5ab0d27afdc.zip |
lib/vdso: Add compat support
Some 64 bit architectures have support for 32 bit applications that
require a separate version of the vDSOs.
Add support to the generic code for compat fallback functions.
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Shijith Thotton <sthotton@marvell.com>
Tested-by: Andre Przywara <andre.przywara@arm.com>
Cc: linux-arch@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mips@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Mark Salyzyn <salyzyn@android.com>
Cc: Peter Collingbourne <pcc@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Dmitry Safonov <0x7f454c46@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Huw Davies <huw@codeweavers.com>
Link: https://lkml.kernel.org/r/20190621095252.32307-10-vincenzo.frascino@arm.com
Diffstat (limited to 'lib/vdso')
-rw-r--r-- | lib/vdso/gettimeofday.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/vdso/gettimeofday.c b/lib/vdso/gettimeofday.c index 767d3a0bcb06..ef28cc5d7bff 100644 --- a/lib/vdso/gettimeofday.c +++ b/lib/vdso/gettimeofday.c @@ -20,7 +20,11 @@ * - clock_gettime_fallback(): fallback for clock_gettime. * - clock_getres_fallback(): fallback for clock_getres. */ +#ifdef ENABLE_COMPAT_VDSO +#include <asm/vdso/compat_gettimeofday.h> +#else #include <asm/vdso/gettimeofday.h> +#endif /* ENABLE_COMPAT_VDSO */ static int do_hres(const struct vdso_data *vd, clockid_t clk, struct __kernel_timespec *ts) |