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authordchagin <dchagin@FreeBSD.org>2016-01-09 17:02:35 +0000
committerdchagin <dchagin@FreeBSD.org>2016-01-09 17:02:35 +0000
commit79ce2b00ac000adbe79077eb7e3cdf12c963e455 (patch)
tree46945eab576c7dc47ece971d51d38b42512ab1b1
parent198b8af89868cb270b9c060cc225850fe35b3f4f (diff)
downloadFreeBSD-src-79ce2b00ac000adbe79077eb7e3cdf12c963e455.zip
FreeBSD-src-79ce2b00ac000adbe79077eb7e3cdf12c963e455.tar.gz
MFC r283454:
Avoid unnecessary em zeroing in non-exec path as it already zeroed by malloc with M_ZERO flag and move zeroing to the proper place in exec path.
-rw-r--r--sys/compat/linux/linux_emul.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/sys/compat/linux/linux_emul.c b/sys/compat/linux/linux_emul.c
index 912baaf..2102c41 100644
--- a/sys/compat/linux/linux_emul.c
+++ b/sys/compat/linux/linux_emul.c
@@ -89,8 +89,6 @@ linux_proc_init(struct thread *td, struct thread *newtd, int flags)
if (newtd != NULL) {
/* non-exec call */
em = malloc(sizeof(*em), M_TEMP, M_WAITOK | M_ZERO);
- em->pdeath_signal = 0;
- em->robust_futexes = NULL;
if (flags & LINUX_CLONE_THREAD) {
LINUX_CTR1(proc_init, "thread newtd(%d)",
newtd->td_tid);
@@ -117,6 +115,11 @@ linux_proc_init(struct thread *td, struct thread *newtd, int flags)
KASSERT(em != NULL, ("proc_init: emuldata not found in exec case.\n"));
em->em_tid = td->td_proc->p_pid;
+ em->flags = 0;
+ em->pdeath_signal = 0;
+ em->robust_futexes = NULL;
+ em->child_clear_tid = NULL;
+ em->child_set_tid = NULL;
/* epoll should be destroyed in a case of exec. */
pem = pem_find(td->td_proc);
@@ -129,8 +132,6 @@ linux_proc_init(struct thread *td, struct thread *newtd, int flags)
}
}
- em->child_clear_tid = NULL;
- em->child_set_tid = NULL;
}
void
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