00d4d8e727
A few more bug fixes from upstream. Also stop using system membarriers, and revert a recent xen migration fix (not the right one). OBS-URL: https://build.opensuse.org/request/show/768144 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=528
55 lines
1.6 KiB
Diff
55 lines
1.6 KiB
Diff
From: =?UTF-8?q?Andreas=20F=C3=A4rber?= <afaerber@suse.de>
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Date: Sun, 15 Jan 2012 19:53:49 +0100
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Subject: Raise soft address space limit to hard limit
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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For SLES we want users to be able to use large memory configurations
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with KVM without fiddling with ulimit -Sv.
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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[BR: add include for sys/resource.h]
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Signed-off-by: Bruce Rogers <brogers@suse.com>
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---
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vl.c | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/vl.c b/vl.c
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index bf0a6345d2394ad25adfe53c4006..68de8184f91c6ef3903859c70526 100644
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--- a/vl.c
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+++ b/vl.c
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@@ -33,6 +33,7 @@
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#include "qemu/uuid.h"
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#include "sysemu/reset.h"
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#include "sysemu/runstate.h"
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+#include <sys/resource.h>
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#include "sysemu/seccomp.h"
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#include "sysemu/tcg.h"
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@@ -2863,6 +2864,7 @@ int main(int argc, char **argv, char **envp)
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char *dir, **dirs;
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BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
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QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list);
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+ struct rlimit rlimit_as;
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os_set_line_buffering();
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@@ -2874,6 +2876,16 @@ int main(int argc, char **argv, char **envp)
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qemu_mutex_lock_iothread();
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+ /*
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+ * Try to raise the soft address space limit.
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+ * Default on SLES 11 SP2 is 80% of physical+swap memory.
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+ */
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+ getrlimit(RLIMIT_AS, &rlimit_as);
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+ if (rlimit_as.rlim_cur < rlimit_as.rlim_max) {
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+ rlimit_as.rlim_cur = rlimit_as.rlim_max;
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+ setrlimit(RLIMIT_AS, &rlimit_as);
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+ }
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+
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atexit(qemu_run_exit_notifiers);
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qemu_init_exec_dir(argv[0]);
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