From: Kirill Tkhai <ktk...@parallels.com> This converts ve-absolute-monotonic time to global-absolute-monotonic time.
https://jira.sw.ru/browse/PSBM-14471 diff-futex-reference-ct-monotonic-clock-from-ct-start Signed-off-by: Konstantin Khlebnikov <khlebni...@openvz.org> Signed-off-by: Kirill Tkhai <ktk...@parallels.com> (cherry picked from vz7 commit 14a4db52ee8c862eb7a9dec740b15c646e0b59aa) Signed-off-by: Konstantin Khorenko <khore...@virtuozzo.com> --- kernel/futex.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/kernel/futex.c b/kernel/futex.c index 5282b74fc31b..9947cb4db384 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -68,6 +68,7 @@ #include <linux/bootmem.h> #include <linux/fault-inject.h> #include <linux/refcount.h> +#include <linux/ve.h> #include <asm/futex.h> @@ -3618,6 +3619,7 @@ long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout, { int cmd = op & FUTEX_CMD_MASK; unsigned int flags = 0; + ktime_t abs_time; if (!(op & FUTEX_PRIVATE_FLAG)) flags |= FLAGS_SHARED; @@ -3627,6 +3629,12 @@ long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout, if (cmd != FUTEX_WAIT && cmd != FUTEX_WAIT_BITSET && \ cmd != FUTEX_WAIT_REQUEUE_PI) return -ENOSYS; + } else if (timeout) { + if (cmd == FUTEX_WAIT_BITSET || cmd == FUTEX_WAIT_REQUEUE_PI) { + abs_time = ktime_add(*timeout, ns_to_ktime( + get_exec_env()->start_time)); + timeout = &abs_time; + } } switch (cmd) { -- 2.28.0 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel
