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Merge remote-tracking branch 'remotes/kvm/uq/master' into staging

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* remotes/kvm/uq/master:
  target-i386: bugfix of Intel MPX
  file_ram_alloc: unify mem-path,mem-prealloc error handling
  kvm-all: exit in case max vcpus exceeded

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-03-11 19:39:17 +00:00
commit 2396187076
3 changed files with 12 additions and 7 deletions
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14
exec.c
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@ -1029,7 +1029,7 @@ static void *file_ram_alloc(RAMBlock *block,
hpagesize = gethugepagesize(path);
if (!hpagesize) {
return NULL;
goto error;
}
if (memory < hpagesize) {
@ -1038,7 +1038,7 @@ static void *file_ram_alloc(RAMBlock *block,
if (kvm_enabled() && !kvm_has_sync_mmu()) {
fprintf(stderr, "host lacks kvm mmu notifiers, -mem-path unsupported\n");
return NULL;
goto error;
}
/* Make name safe to use with mkstemp by replacing '/' with '_'. */
@ -1056,7 +1056,7 @@ static void *file_ram_alloc(RAMBlock *block,
if (fd < 0) {
perror("unable to create backing store for hugepages");
g_free(filename);
return NULL;
goto error;
}
unlink(filename);
g_free(filename);
@ -1076,7 +1076,7 @@ static void *file_ram_alloc(RAMBlock *block,
if (area == MAP_FAILED) {
perror("file_ram_alloc: can't mmap RAM pages");
close(fd);
return (NULL);
goto error;
}
if (mem_prealloc) {
@ -1120,6 +1120,12 @@ static void *file_ram_alloc(RAMBlock *block,
block->fd = fd;
return area;
error:
if (mem_prealloc) {
exit(1);
}
return NULL;
}
#else
static void *file_ram_alloc(RAMBlock *block,