Module: xenomai-gch
Branch: u_mode
Commit: 97ca09e5e6c50e5954fecd4f3be08e9f3bd532fc
URL:
http://git.xenomai.org/?p=xenomai-gch.git;a=commit;h=97ca09e5e6c50e5954fecd4f3be08e9f3bd532fc
Author: Gilles Chanteperdrix <gilles.chanteperd...@xenomai.org>
Date: Sun Jun 19 13:30:24 2011 +0200
nucleus: move mayday addr to sys_ppd only
---
include/nucleus/ppd.h | 3 ---
include/nucleus/sys_ppd.h | 4 +++-
ksrc/nucleus/shadow.c | 34 +++++++++++++++++++---------------
3 files changed, 22 insertions(+), 19 deletions(-)
diff --git a/include/nucleus/ppd.h b/include/nucleus/ppd.h
index 972b0f2..85971f0 100644
--- a/include/nucleus/ppd.h
+++ b/include/nucleus/ppd.h
@@ -14,9 +14,6 @@ typedef struct xnshadow_ppd_key {
typedef struct xnshadow_ppd_t {
xnshadow_ppd_key_t key;
xnholder_t link;
-#ifdef XNARCH_HAVE_MAYDAY
- unsigned long mayday_addr;
-#endif
#define link2ppd(ln) container_of(ln, xnshadow_ppd_t, link)
} xnshadow_ppd_t;
diff --git a/include/nucleus/sys_ppd.h b/include/nucleus/sys_ppd.h
index 8f8cb44..3ae8581 100644
--- a/include/nucleus/sys_ppd.h
+++ b/include/nucleus/sys_ppd.h
@@ -7,7 +7,9 @@
struct xnsys_ppd {
xnshadow_ppd_t ppd;
xnheap_t sem_heap;
-
+#ifdef XNARCH_HAVE_MAYDAY
+ unsigned long mayday_addr;
+#endif
#define ppd2sys(addr) container_of(addr, struct xnsys_ppd, ppd)
};
diff --git a/ksrc/nucleus/shadow.c b/ksrc/nucleus/shadow.c
index f6e0893..e5dd421 100644
--- a/ksrc/nucleus/shadow.c
+++ b/ksrc/nucleus/shadow.c
@@ -1632,11 +1632,11 @@ static inline void do_mayday_event(struct pt_regs *regs)
{
struct xnthread *thread = xnshadow_thread(current);
struct xnarchtcb *tcb = xnthread_archtcb(thread);
- struct xnshadow_ppd_t *sys_ppd;
+ struct xnsys_ppd *sys_ppd;
/* We enter the event handler with hw IRQs off. */
xnlock_get(&nklock);
- sys_ppd = xnshadow_ppd_get(0);
+ sys_ppd = xnsys_ppd_get(0);
xnlock_put(&nklock);
XENO_BUGON(NUCLEUS, sys_ppd == NULL);
@@ -1754,16 +1754,6 @@ static int xnshadow_sys_bind(struct pt_regs *regs)
sys_ppd->key.muxid = 0;
sys_ppd->key.mm = current->mm;
-#ifdef XNARCH_HAVE_MAYDAY
- sys_ppd->mayday_addr = map_mayday_page(current);
- if (sys_ppd->mayday_addr == 0) {
- printk(KERN_WARNING
- "Xenomai: %s[%d] cannot map MAYDAY page\n",
- current->comm, current->pid);
- err = -ENOMEM;
- goto fail_destroy_sys_ppd;
- }
-#endif /* XNARCH_HAVE_MAYDAY */
if (ppd_insert(sys_ppd) == -EBUSY) {
/* In case of concurrent binding (which can not happen with
@@ -2109,12 +2099,26 @@ static void *xnshadow_sys_event(int event, void *data)
err = xnheap_init_mapped(&p->sem_heap,
CONFIG_XENO_OPT_SEM_HEAPSZ * 1024,
XNARCH_SHARED_HEAP_FLAGS);
- if (err) {
+ if (err)
+ goto err_free_host_mem;
+
+ xnheap_set_label(&p->sem_heap,
+ "private sem heap [%d]", current->pid);
+
+#ifdef XNARCH_HAVE_MAYDAY
+ p->mayday_addr = map_mayday_page(current);
+ if (p->mayday_addr == 0) {
+ printk(KERN_WARNING
+ "Xenomai: %s[%d] cannot map MAYDAY page\n",
+ current->comm, current->pid);
+ err = -ENOMEM;
+
+ err_free_host_mem:
xnarch_free_host_mem(p, sizeof(*p));
return ERR_PTR(err);
}
- xnheap_set_label(&p->sem_heap,
- "private sem heap [%d]", current->pid);
+#endif /* XNARCH_HAVE_MAYDAY */
+
xnarch_atomic_inc(&muxtable[0].refcnt);
return &p->ppd;
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