mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-24 07:46:42 +00:00
114 lines
3.2 KiB
Diff
114 lines
3.2 KiB
Diff
--- src/lib/dde_rump/src/sys/rump/librump/rumpkern/rump_private.h
|
|
+++ src/lib/dde_rump/src/sys/rump/librump/rumpkern/rump_private.h
|
|
@@ -70,6 +70,9 @@
|
|
RUMP__FACTION_NET,
|
|
|
|
RUMP_COMPONENT_MAX,
|
|
+
|
|
+ /* alias for syscall type used to create ctor symbol */
|
|
+ RUMP_COMPONENT_KERN_SYSCALL = RUMP_COMPONENT_SYSCALL,
|
|
};
|
|
struct rump_component {
|
|
enum rump_component_type rc_type;
|
|
@@ -86,8 +89,7 @@
|
|
|
|
#ifdef RUMP_USE_CTOR
|
|
#define _RUMP_COMPONENT_REGISTER(type) \
|
|
-static void rumpcomp_ctor##type(void) __attribute__((constructor)); \
|
|
-static void rumpcomp_ctor##type(void) \
|
|
+void rumpcompctor_##type(void) \
|
|
{ \
|
|
rump_component_load(&rumpcomp##type); \
|
|
}
|
|
--- src/lib/dde_rump/src/sys/rump/librump/rumpkern/rumpkern_syscalls.c
|
|
+++ src/lib/dde_rump/src/sys/rump/librump/rumpkern/rumpkern_syscalls.c
|
|
@@ -147,7 +147,7 @@
|
|
{ 477, sys_clock_nanosleep },
|
|
};
|
|
|
|
-RUMP_COMPONENT(RUMP_COMPONENT_SYSCALL)
|
|
+RUMP_COMPONENT(RUMP_COMPONENT_KERN_SYSCALL)
|
|
{
|
|
|
|
rump_syscall_boot_establish(mysys, __arraycount(mysys));
|
|
--- src/lib/dde_rump/src/sys/rump/librump/rumpvfs/vm_vfs.c
|
|
+++ src/lib/dde_rump/src/sys/rump/librump/rumpvfs/vm_vfs.c
|
|
@@ -49,6 +49,7 @@
|
|
struct vm_page **pgs;
|
|
vaddr_t va;
|
|
int pageout = 0;
|
|
+ bool const write = BUF_ISWRITE(bp);
|
|
|
|
KASSERT(npages > 0);
|
|
pgs = kmem_alloc(npages * sizeof(*pgs), KM_SLEEP);
|
|
@@ -64,8 +65,47 @@
|
|
KASSERT(uobj == pgs[i]->uobject);
|
|
}
|
|
|
|
+ if (bp->b_error) {
|
|
+ if (!write) {
|
|
+ pgs[i]->flags |= PG_RELEASED;
|
|
+ continue;
|
|
+ } else if (bp->b_error == ENOMEM) {
|
|
+ if (pgs[i]->flags & PG_PAGEOUT) {
|
|
+ pageout++;
|
|
+ pgs[i]->flags &= ~PG_PAGEOUT;
|
|
+ }
|
|
+ pgs[i]->flags &= ~PG_CLEAN;
|
|
+
|
|
+ mutex_enter(&uvm_pageqlock);
|
|
+ uvm_pageactivate(pgs[i]);
|
|
+ mutex_exit(&uvm_pageqlock);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * if the page is PG_FAKE, this must have been a read to
|
|
+ * initialize the page. clear PG_FAKE and activate the page.
|
|
+ * we must also clear the pmap "modified" flag since it may
|
|
+ * still be set from the page's previous identity.
|
|
+ */
|
|
+
|
|
+ if ((pgs[i]->flags & PG_FAKE)) {
|
|
+ KASSERT(!write);
|
|
+ pgs[i]->flags &= ~PG_FAKE;
|
|
+ KASSERT((pgs[i]->flags & PG_CLEAN) != 0);
|
|
+
|
|
+#if defined(READAHEAD_STATS)
|
|
+ pgs[i]->pqflags |= PQ_READAHEAD;
|
|
+ uvm_ra_total.ev_count++;
|
|
+#endif /* defined(READAHEAD_STATS) */
|
|
+
|
|
+ mutex_enter(&uvm_pageqlock);
|
|
+ uvm_pageenqueue(pgs[i]);
|
|
+ pmap_clear_modify(pgs[i]);
|
|
+ mutex_exit(&uvm_pageqlock);
|
|
+ }
|
|
+
|
|
if (pgs[i]->flags & PG_PAGEOUT) {
|
|
- KASSERT((pgs[i]->flags & PG_FAKE) == 0);
|
|
pageout++;
|
|
pgs[i]->flags &= ~PG_PAGEOUT;
|
|
pgs[i]->flags |= PG_RELEASED;
|
|
@@ -81,7 +121,7 @@
|
|
uvm_pagermapout((vaddr_t)bp->b_data, npages);
|
|
uvm_pageout_done(pageout);
|
|
|
|
- if (BUF_ISWRITE(bp) && (bp->b_cflags & BC_AGE) != 0) {
|
|
+ if (write && (bp->b_cflags & BC_AGE) != 0) {
|
|
mutex_enter(bp->b_objlock);
|
|
vwakeup(bp);
|
|
mutex_exit(bp->b_objlock);
|
|
--- src/lib/dde_rump/src/sys/sys/module.h
|
|
+++ src/lib/dde_rump/src/sys/sys/module.h
|
|
@@ -114,8 +114,7 @@
|
|
};
|
|
LIST_HEAD(modinfo_boot_chain, modinfo_chain);
|
|
#define _MODULE_REGISTER(name) \
|
|
-static void modctor_##name(void) __attribute__((constructor)); \
|
|
-static void modctor_##name(void) \
|
|
+void modctor_##name(void) \
|
|
{ \
|
|
static struct modinfo_chain mc = { \
|
|
.mc_info = &name##_modinfo, \
|