ba97ec0138
Update to v5.1.0 qemu OBS-URL: https://build.opensuse.org/request/show/825860 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=557
55 lines
1.7 KiB
Diff
55 lines
1.7 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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softmmu/vl.c | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/softmmu/vl.c b/softmmu/vl.c
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index 4eb9d1f7fd54f27583bfb1ce9407..c6e7530b012db308d0c607ec749d 100644
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--- a/softmmu/vl.c
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+++ b/softmmu/vl.c
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@@ -34,6 +34,7 @@
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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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#include "sysemu/xen.h"
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@@ -2868,6 +2869,7 @@ void qemu_init(int argc, char **argv, char **envp)
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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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int mem_prealloc = 0; /* force preallocation of physical target memory */
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+ struct rlimit rlimit_as;
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os_set_line_buffering();
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@@ -2879,6 +2881,16 @@ void qemu_init(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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