svn commit: r219192 - in stable/8/sys: amd64/linux32 i386/linux

[Dmitry Chagin]

Author: dchagin
Date: Wed Mar  2 19:33:46 2011
New Revision: 219192
URL: http://svn.freebsd.org/changeset/base/219192

Log:
  MFC r218613:
  In preparation for moving linux_clone() to a MI path
  introduce linux_set_upcall_kse() which is used for MD works.

Modified:
  stable/8/sys/amd64/linux32/linux.h
  stable/8/sys/amd64/linux32/linux32_machdep.c
  stable/8/sys/i386/linux/linux.h
  stable/8/sys/i386/linux/linux_machdep.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)

Modified: stable/8/sys/amd64/linux32/linux.h
==============================================================================
--- stable/8/sys/amd64/linux32/linux.h	Wed Mar  2 19:31:53 2011	(r219191)
+++ stable/8/sys/amd64/linux32/linux.h	Wed Mar  2 19:33:46 2011	(r219192)
@@ -920,4 +920,6 @@ struct linux_robust_list_head {
 	l_uintptr_t			pending_list;
 };
 
+int linux_set_upcall_kse(struct thread *td, register_t stack);
+
 #endif /* !_AMD64_LINUX_H_ */

Modified: stable/8/sys/amd64/linux32/linux32_machdep.c
==============================================================================
--- stable/8/sys/amd64/linux32/linux32_machdep.c	Wed Mar  2 19:31:53 2011	(r219191)
+++ stable/8/sys/amd64/linux32/linux32_machdep.c	Wed Mar  2 19:33:46 2011	(r219192)
@@ -655,7 +655,7 @@ linux_clone(struct thread *td, struct li
 	 * intact.
 	 */
 	if (args->stack)
-		td2->td_frame->tf_rsp = PTROUT(args->stack);
+		linux_set_upcall_kse(td2, PTROUT(args->stack));
 
 	if (args->flags & LINUX_CLONE_SETTLS)
 		linux_set_cloned_tls(td2, args->tls);
@@ -694,6 +694,15 @@ linux_clone(struct thread *td, struct li
 	return (0);
 }
 
+int
+linux_set_upcall_kse(struct thread *td, register_t stack)
+{
+
+	td->td_frame->tf_rsp = stack;
+
+	return (0);
+}
+
 #define STACK_SIZE  (2 * 1024 * 1024)
 #define GUARD_SIZE  (4 * PAGE_SIZE)
 

Modified: stable/8/sys/i386/linux/linux.h
==============================================================================
--- stable/8/sys/i386/linux/linux.h	Wed Mar  2 19:31:53 2011	(r219191)
+++ stable/8/sys/i386/linux/linux.h	Wed Mar  2 19:33:46 2011	(r219192)
@@ -880,4 +880,6 @@ struct linux_robust_list_head {
 	struct linux_robust_list	*pending_list;
 };
 
+int linux_set_upcall_kse(struct thread *td, register_t stack);
+
 #endif /* !_I386_LINUX_H_ */

Modified: stable/8/sys/i386/linux/linux_machdep.c
==============================================================================
--- stable/8/sys/i386/linux/linux_machdep.c	Wed Mar  2 19:31:53 2011	(r219191)
+++ stable/8/sys/i386/linux/linux_machdep.c	Wed Mar  2 19:33:46 2011	(r219192)
@@ -559,7 +559,7 @@ linux_clone(struct thread *td, struct li
 	 * this is what normal fork() does so we just keep the tf_esp arg intact
 	 */
 	if (args->stack)
-   	   	td2->td_frame->tf_esp = (unsigned int)args->stack;
+		linux_set_upcall_kse(td2, PTROUT(args->stack));
 
 	if (args->flags & LINUX_CLONE_SETTLS)
 		linux_set_cloned_tls(td2, args->tls);
@@ -597,6 +597,15 @@ linux_clone(struct thread *td, struct li
 	return (0);
 }
 
+int
+linux_set_upcall_kse(struct thread *td, register_t stack)
+{
+
+	td->td_frame->tf_esp = stack;
+
+	return (0);
+}
+
 #define STACK_SIZE  (2 * 1024 * 1024)
 #define GUARD_SIZE  (4 * PAGE_SIZE)