[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH] Fix bsd-user qemu_vmalloc() host page protection co
From: |
Juergen Lock |
Subject: |
[Qemu-devel] [PATCH] Fix bsd-user qemu_vmalloc() host page protection code |
Date: |
Thu, 25 Mar 2010 22:11:17 +0100 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
Just do the same as linux-user does.
Signed-off-by: Juergen Lock <address@hidden>
--- a/bsd-user/mmap.c
+++ b/bsd-user/mmap.c
@@ -77,16 +77,15 @@ void mmap_unlock(void)
void *qemu_vmalloc(size_t size)
{
void *p;
- unsigned long addr;
mmap_lock();
/* Use map and mark the pages as used. */
p = mmap(NULL, size, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANON, -1, 0);
- addr = (unsigned long)p;
- if (addr == (target_ulong) addr) {
+ if (h2g_valid(p)) {
/* Allocated region overlaps guest address space.
This may recurse. */
+ abi_ulong addr = h2g(p);
page_set_flags(addr & TARGET_PAGE_MASK, TARGET_PAGE_ALIGN(addr + size),
PAGE_RESERVED);
}
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Qemu-devel] [PATCH] Fix bsd-user qemu_vmalloc() host page protection code,
Juergen Lock <=