linux-user: Add emulation for MADV_WIPEONFORK and MADV_KEEPONFORK in madvise()

[mirror_qemu.git] / qemu-options.hx

diff --git a/qemu-options.hx b/qemu-options.hx
index 8b8a4a5d016ff2fe53605b3a58ab2e93ee41b73d..d59d19704bc5a7e161c79f47c33a44e1f43edd8c 100644 (file)
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -139,7 +139,7 @@ SRST
         interleave requirements before enabling the memory devices.
 
         ``targets.X=target`` provides the mapping to CXL host bridges
-        which may be identified by the id provied in the -device entry.
+        which may be identified by the id provided in the -device entry.
         Multiple entries are needed to specify all the targets when
         the fixed memory window represents interleaved memory. X is the
         target index from 0.
@@ -343,6 +343,9 @@ SRST
     ::
 
         -smp 2
+
+    Note: The cluster topology will only be generated in ACPI and exposed
+    to guest if it's explicitly specified in -smp.
 ERST
 
 DEF("numa", HAS_ARG, QEMU_OPTION_numa,
@@ -362,7 +365,7 @@ SRST
   \ 
 ``-numa cpu,node-id=node[,socket-id=x][,core-id=y][,thread-id=z]``
   \ 
-``-numa hmat-lb,initiator=node,target=node,hierarchy=hierarchy,data-type=tpye[,latency=lat][,bandwidth=bw]``
+``-numa hmat-lb,initiator=node,target=node,hierarchy=hierarchy,data-type=type[,latency=lat][,bandwidth=bw]``
   \ 
 ``-numa hmat-cache,node-id=node,size=size,level=level[,associativity=str][,policy=str][,line=size]``
     Define a NUMA node and assign RAM and VCPUs to it. Set the NUMA
@@ -1785,7 +1788,7 @@ SRST
     directory on host is made directly accessible by guest as a pass-through
     file system by using the 9P network protocol for communication between
     host and guests, if desired even accessible, shared by several guests
-    simultaniously.
+    simultaneously.
 
     Note that ``-virtfs`` is actually just a convenience shortcut for its
     generalized form ``-fsdev -device virtio-9p-pci``.
@@ -2542,7 +2545,7 @@ DEF("no-hpet", 0, QEMU_OPTION_no_hpet,
     "-no-hpet        disable HPET\n", QEMU_ARCH_I386)
 SRST
 ``-no-hpet``
-    Disable HPET support.
+    Disable HPET support. Deprecated, use '-machine hpet=off' instead.
 ERST
 
 DEF("acpitable", HAS_ARG, QEMU_OPTION_acpitable,
@@ -3379,11 +3382,9 @@ DEF("chardev", HAS_ARG, QEMU_OPTION_chardev,
 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
         || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
     "-chardev serial,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
-    "-chardev tty,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
 #endif
 #if defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__)
     "-chardev parallel,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
-    "-chardev parport,id=id,path=path[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
 #endif
 #if defined(CONFIG_SPICE)
     "-chardev spicevmc,id=id,name=name[,debug=debug][,logfile=PATH][,logappend=on|off]\n"
@@ -3398,7 +3399,7 @@ The general form of a character device option is:
 ``-chardev backend,id=id[,mux=on|off][,options]``
     Backend is one of: ``null``, ``socket``, ``udp``, ``msmouse``,
     ``vc``, ``ringbuf``, ``file``, ``pipe``, ``console``, ``serial``,
-    ``pty``, ``stdio``, ``braille``, ``tty``, ``parallel``, ``parport``,
+    ``pty``, ``stdio``, ``braille``, ``parallel``,
     ``spicevmc``, ``spiceport``. The specific backend will determine the
     applicable options.
 
@@ -3622,15 +3623,8 @@ The available backends are:
     Connect to a local BrlAPI server. ``braille`` does not take any
     options.
 
-``-chardev tty,id=id,path=path``
-    ``tty`` is only available on Linux, Sun, FreeBSD, NetBSD, OpenBSD
-    and DragonFlyBSD hosts. It is an alias for ``serial``.
-
-    ``path`` specifies the path to the tty. ``path`` is required.
-
 ``-chardev parallel,id=id,path=path``
   \
-``-chardev parport,id=id,path=path``
     ``parallel`` is only available on Linux, FreeBSD and DragonFlyBSD
     hosts.
 
@@ -4844,6 +4838,26 @@ SRST
     Enable synchronization profiling.
 ERST
 
+#if defined(CONFIG_TCG) && defined(CONFIG_LINUX)
+DEF("perfmap", 0, QEMU_OPTION_perfmap,
+    "-perfmap        generate a /tmp/perf-${pid}.map file for perf\n",
+    QEMU_ARCH_ALL)
+SRST
+``-perfmap``
+    Generate a map file for Linux perf tools that will allow basic profiling
+    information to be broken down into basic blocks.
+ERST
+
+DEF("jitdump", 0, QEMU_OPTION_jitdump,
+    "-jitdump        generate a jit-${pid}.dump file for perf\n",
+    QEMU_ARCH_ALL)
+SRST
+``-jitdump``
+    Generate a dump file for Linux perf tools that maps basic blocks to symbol
+    names, line numbers and JITted code.
+ERST
+#endif
+
 DEFHEADING()
 
 DEFHEADING(Generic object creation:)