diff --git a/Makefile.objs b/Makefile.objs
index 66ffad4b7..50fbb200d 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -170,6 +170,7 @@ user-obj-y += cutils.o cache-utils.o
 hw-obj-y =
 hw-obj-y += vl.o loader.o
 hw-obj-$(CONFIG_VIRTIO) += virtio.o virtio-console.o
+hw-obj-$(CONFIG_VIRTIO_PCI) += virtio-pci.o
 hw-obj-y += fw_cfg.o
 hw-obj-$(CONFIG_PCI) += pci.o pci_bridge.o
 hw-obj-$(CONFIG_PCI) += msix.o msi.o
diff --git a/Makefile.target b/Makefile.target
index 5c22df8b4..85480d89c 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -190,7 +190,6 @@ obj-y = arch_init.o cpus.o monitor.o machine.o gdbstub.o balloon.o
 # need to fix this properly
 obj-$(CONFIG_NO_PCI) += pci-stub.o
 obj-$(CONFIG_VIRTIO) += virtio-blk.o virtio-balloon.o virtio-net.o virtio-serial-bus.o
-obj-$(CONFIG_VIRTIO_PCI) += virtio-pci.o
 obj-y += vhost_net.o
 obj-$(CONFIG_VHOST_NET) += vhost.o
 obj-$(CONFIG_REALLY_VIRTFS) += 9pfs/virtio-9p.o
diff --git a/audio/audio_pt_int.c b/audio/audio_pt_int.c
index 908c569a9..9a9c306a9 100644
--- a/audio/audio_pt_int.c
+++ b/audio/audio_pt_int.c
@@ -6,8 +6,6 @@
 #include "audio_int.h"
 #include "audio_pt_int.h"
 
-#include <signal.h>
-
 static void GCC_FMT_ATTR(3, 4) logerr (struct audio_pt *pt, int err,
                                        const char *fmt, ...)
 {
diff --git a/audio/sdlaudio.c b/audio/sdlaudio.c
index a847aa90f..d24daa5ea 100644
--- a/audio/sdlaudio.c
+++ b/audio/sdlaudio.c
@@ -32,7 +32,6 @@
 #elif defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
 #include <pthread.h>
 #endif
-#include <signal.h>
 #endif
 
 #define AUDIO_CAP "sdl"
diff --git a/block/raw-posix.c b/block/raw-posix.c
index fd57b5bb5..4cd7d7afb 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -43,7 +43,6 @@
 
 #ifdef __sun__
 #define _POSIX_PTHREAD_SEMANTICS 1
-#include <signal.h>
 #include <sys/dkio.h>
 #endif
 #ifdef __linux__
@@ -53,7 +52,6 @@
 #include <linux/fd.h>
 #endif
 #if defined (__FreeBSD__) || defined(__FreeBSD_kernel__)
-#include <signal.h>
 #include <sys/disk.h>
 #include <sys/cdio.h>
 #endif
diff --git a/bsd-user/syscall.c b/bsd-user/syscall.c
index eb1cdf21c..d4d039a2f 100644
--- a/bsd-user/syscall.c
+++ b/bsd-user/syscall.c
@@ -31,7 +31,6 @@
 #include <sys/syscall.h>
 #include <sys/param.h>
 #include <sys/sysctl.h>
-#include <signal.h>
 #include <utime.h>
 
 #include "qemu.h"
diff --git a/darwin-user/signal.c b/darwin-user/signal.c
index 48620184e..e2adca391 100644
--- a/darwin-user/signal.c
+++ b/darwin-user/signal.c
@@ -21,7 +21,6 @@
 #include <string.h>
 #include <stdarg.h>
 #include <unistd.h>
-#include <signal.h>
 #include <errno.h>
 #include <sys/ucontext.h>
 
@@ -32,8 +31,6 @@
 #undef uc_link
 #endif
 
-#include <signal.h>
-
 #include "qemu.h"
 #include "qemu-common.h"
 
diff --git a/exec.c b/exec.c
index 6f339efb1..bffc201f9 100644
--- a/exec.c
+++ b/exec.c
@@ -36,7 +36,6 @@
 #include "qemu-timer.h"
 #if defined(CONFIG_USER_ONLY)
 #include <qemu.h>
-#include <signal.h>
 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
 #include <sys/param.h>
 #if __FreeBSD_version >= 700104
diff --git a/linux-user/signal.c b/linux-user/signal.c
index c7a375fe0..11b25be7b 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -21,7 +21,6 @@
 #include <string.h>
 #include <stdarg.h>
 #include <unistd.h>
-#include <signal.h>
 #include <errno.h>
 #include <assert.h>
 #include <sys/ucontext.h>
diff --git a/net/slirp.c b/net/slirp.c
index e387a116a..e057a14ce 100644
--- a/net/slirp.c
+++ b/net/slirp.c
@@ -614,7 +614,7 @@ static int slirp_guestfwd(SlirpState *s, const char *config_str,
     }
 
     fwd = qemu_malloc(sizeof(struct GuestFwd));
-    snprintf(buf, sizeof(buf), "guestfwd.tcp:%d", port);
+    snprintf(buf, sizeof(buf), "guestfwd.tcp.%d", port);
     fwd->hd = qemu_chr_open(buf, p, NULL);
     if (!fwd->hd) {
         error_report("could not open guest forwarding device '%s'", buf);
diff --git a/net/tap.c b/net/tap.c
index b8cd25267..1f26dc999 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -27,7 +27,6 @@
 
 #include "config-host.h"
 
-#include <signal.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>
 #include <sys/wait.h>
diff --git a/posix-aio-compat.c b/posix-aio-compat.c
index f3cc8687c..c4116e30f 100644
--- a/posix-aio-compat.c
+++ b/posix-aio-compat.c
@@ -17,7 +17,6 @@
 #include <unistd.h>
 #include <errno.h>
 #include <time.h>
-#include <signal.h>
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/qemu-char.c b/qemu-char.c
index 5e04a20b8..fb13b2845 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -35,7 +35,6 @@
 
 #include <unistd.h>
 #include <fcntl.h>
-#include <signal.h>
 #include <time.h>
 #include <errno.h>
 #include <sys/time.h>
diff --git a/qemu-common.h b/qemu-common.h
index b851b20c5..39fabc9e0 100644
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -39,6 +39,7 @@ typedef struct Monitor Monitor;
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <assert.h>
+#include <signal.h>
 
 #ifdef _WIN32
 #include "qemu-os-win32.h"
diff --git a/qemu-progress.c b/qemu-progress.c
index 8ebe8efa9..5f1b8dfb9 100644
--- a/qemu-progress.c
+++ b/qemu-progress.c
@@ -26,7 +26,6 @@
 #include "osdep.h"
 #include "sysemu.h"
 #include <stdio.h>
-#include <signal.h>
 
 struct progress_state {
     float current;
diff --git a/savevm.c b/savevm.c
index f4ff1a1db..939845c82 100644
--- a/savevm.c
+++ b/savevm.c
@@ -23,7 +23,6 @@
  */
 #include <unistd.h>
 #include <fcntl.h>
-#include <signal.h>
 #include <time.h>
 #include <errno.h>
 #include <sys/time.h>
diff --git a/target-i386/helper.c b/target-i386/helper.c
index 5c4b28861..509d68ca0 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -21,7 +21,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
-#include <signal.h>
 
 #include "cpu.h"
 #include "exec-all.h"
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 199302e51..10bd72a0e 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -7538,7 +7538,7 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
             break;
         case 5: /* lfence */
         case 6: /* mfence */
-            if ((modrm & 0xc7) != 0xc0 || !(s->cpuid_features & CPUID_SSE))
+            if ((modrm & 0xc7) != 0xc0 || !(s->cpuid_features & CPUID_SSE2))
                 goto illegal_op;
             break;
         case 7: /* sfence / clflush */
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 9e5578d45..26f0ee42e 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -171,9 +171,6 @@ typedef void (*disas_proc)(DisasContext *, uint16_t);
   static void disas_##name (DisasContext *s, uint16_t insn)
 #endif
 
-/* FIXME: Remove this.  */
-#define gen_im32(val) tcg_const_i32(val)
-
 /* Generate a load from the specified address.  Narrow values are
    sign extended to full register width.  */
 static inline TCGv gen_load(DisasContext * s, int opsize, TCGv addr, int sign)
@@ -339,7 +336,7 @@ static TCGv gen_lea_indexed(DisasContext *s, int opsize, TCGv base)
         if ((ext & 0x80) == 0) {
             /* base not suppressed */
             if (IS_NULL_QREG(base)) {
-                base = gen_im32(offset + bd);
+                base = tcg_const_i32(offset + bd);
                 bd = 0;
             }
             if (!IS_NULL_QREG(add)) {
@@ -355,7 +352,7 @@ static TCGv gen_lea_indexed(DisasContext *s, int opsize, TCGv base)
                 add = tmp;
             }
         } else {
-            add = gen_im32(bd);
+            add = tcg_const_i32(bd);
         }
         if ((ext & 3) != 0) {
             /* memory indirect */
@@ -536,15 +533,15 @@ static TCGv gen_lea(DisasContext *s, uint16_t insn, int opsize)
         case 0: /* Absolute short.  */
             offset = ldsw_code(s->pc);
             s->pc += 2;
-            return gen_im32(offset);
+            return tcg_const_i32(offset);
         case 1: /* Absolute long.  */
             offset = read_im32(s);
-            return gen_im32(offset);
+            return tcg_const_i32(offset);
         case 2: /* pc displacement  */
             offset = s->pc;
             offset += ldsw_code(s->pc);
             s->pc += 2;
-            return gen_im32(offset);
+            return tcg_const_i32(offset);
         case 3: /* pc index+displacement.  */
             return gen_lea_indexed(s, opsize, NULL_QREG);
         case 4: /* Immediate.  */
@@ -1209,16 +1206,16 @@ DISAS_INSN(arith_im)
         break;
     case 2: /* subi */
         tcg_gen_mov_i32(dest, src1);
-        gen_helper_xflag_lt(QREG_CC_X, dest, gen_im32(im));
+        gen_helper_xflag_lt(QREG_CC_X, dest, tcg_const_i32(im));
         tcg_gen_subi_i32(dest, dest, im);
-        gen_update_cc_add(dest, gen_im32(im));
+        gen_update_cc_add(dest, tcg_const_i32(im));
         s->cc_op = CC_OP_SUB;
         break;
     case 3: /* addi */
         tcg_gen_mov_i32(dest, src1);
         tcg_gen_addi_i32(dest, dest, im);
-        gen_update_cc_add(dest, gen_im32(im));
-        gen_helper_xflag_lt(QREG_CC_X, dest, gen_im32(im));
+        gen_update_cc_add(dest, tcg_const_i32(im));
+        gen_helper_xflag_lt(QREG_CC_X, dest, tcg_const_i32(im));
         s->cc_op = CC_OP_ADD;
         break;
     case 5: /* eori */
@@ -1228,7 +1225,7 @@ DISAS_INSN(arith_im)
     case 6: /* cmpi */
         tcg_gen_mov_i32(dest, src1);
         tcg_gen_subi_i32(dest, dest, im);
-        gen_update_cc_add(dest, gen_im32(im));
+        gen_update_cc_add(dest, tcg_const_i32(im));
         s->cc_op = CC_OP_SUB;
         break;
     default:
@@ -1324,8 +1321,8 @@ DISAS_INSN(clr)
     default:
         abort();
     }
-    DEST_EA(insn, opsize, gen_im32(0), NULL);
-    gen_logic_cc(s, gen_im32(0));
+    DEST_EA(insn, opsize, tcg_const_i32(0), NULL);
+    gen_logic_cc(s, tcg_const_i32(0));
 }
 
 static TCGv gen_get_ccr(DisasContext *s)
@@ -1589,7 +1586,7 @@ DISAS_INSN(jump)
     }
     if ((insn & 0x40) == 0) {
         /* jsr */
-        gen_push(s, gen_im32(s->pc));
+        gen_push(s, tcg_const_i32(s->pc));
     }
     gen_jmp(s, tmp);
 }
@@ -1617,7 +1614,7 @@ DISAS_INSN(addsubq)
             tcg_gen_addi_i32(dest, dest, val);
         }
     } else {
-        src2 = gen_im32(val);
+        src2 = tcg_const_i32(val);
         if (insn & 0x0100) {
             gen_helper_xflag_lt(QREG_CC_X, dest, src2);
             tcg_gen_subi_i32(dest, dest, val);
@@ -1666,7 +1663,7 @@ DISAS_INSN(branch)
     }
     if (op == 1) {
         /* bsr */
-        gen_push(s, gen_im32(s->pc));
+        gen_push(s, tcg_const_i32(s->pc));
     }
     gen_flush_cc_op(s);
     if (op > 1) {
@@ -1757,7 +1754,7 @@ DISAS_INSN(mov3q)
     val = (insn >> 9) & 7;
     if (val == 0)
         val = -1;
-    src = gen_im32(val);
+    src = tcg_const_i32(val);
     gen_logic_cc(s, src);
     DEST_EA(insn, OS_LONG, src, NULL);
 }
@@ -1883,7 +1880,7 @@ DISAS_INSN(shift_im)
     tmp = (insn >> 9) & 7;
     if (tmp == 0)
         tmp = 8;
-    shift = gen_im32(tmp);
+    shift = tcg_const_i32(tmp);
     /* No need to flush flags becuse we know we will set C flag.  */
     if (insn & 0x100) {
         gen_helper_shl_cc(reg, cpu_env, reg, shift);
@@ -2191,7 +2188,7 @@ DISAS_INSN(fpu)
         switch ((ext >> 10) & 7) {
         case 4: /* FPCR */
             /* Not implemented.  Always return zero.  */
-            tmp32 = gen_im32(0);
+            tmp32 = tcg_const_i32(0);
             break;
         case 1: /* FPIAR */
         case 2: /* FPSR */
@@ -2592,7 +2589,7 @@ DISAS_INSN(mac)
         /* Skip the accumulate if the value is already saturated.  */
         l1 = gen_new_label();
         tmp = tcg_temp_new();
-        gen_op_and32(tmp, QREG_MACSR, gen_im32(MACSR_PAV0 << acc));
+        gen_op_and32(tmp, QREG_MACSR, tcg_const_i32(MACSR_PAV0 << acc));
         gen_op_jmp_nz32(tmp, l1);
     }
 #endif
@@ -2626,7 +2623,7 @@ DISAS_INSN(mac)
             /* Skip the accumulate if the value is already saturated.  */
             l1 = gen_new_label();
             tmp = tcg_temp_new();
-            gen_op_and32(tmp, QREG_MACSR, gen_im32(MACSR_PAV0 << acc));
+            gen_op_and32(tmp, QREG_MACSR, tcg_const_i32(MACSR_PAV0 << acc));
             gen_op_jmp_nz32(tmp, l1);
         }
 #endif
diff --git a/target-ppc/helper.c b/target-ppc/helper.c
index 470063293..cf2a368b5 100644
--- a/target-ppc/helper.c
+++ b/target-ppc/helper.c
@@ -21,7 +21,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
-#include <signal.h>
 
 #include "cpu.h"
 #include "exec-all.h"
diff --git a/target-sparc/helper.c b/target-sparc/helper.c
index b2d4d70a1..e9b42d03a 100644
--- a/target-sparc/helper.c
+++ b/target-sparc/helper.c
@@ -21,7 +21,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
-#include <signal.h>
 
 #include "cpu.h"
 #include "exec-all.h"
diff --git a/ui/curses.c b/ui/curses.c
index 82bc61404..d29b6cf87 100644
--- a/ui/curses.c
+++ b/ui/curses.c
@@ -24,7 +24,6 @@
 #include <curses.h>
 
 #ifndef _WIN32
-#include <signal.h>
 #include <sys/ioctl.h>
 #include <termios.h>
 #endif
diff --git a/ui/sdl.c b/ui/sdl.c
index 14a62d9bd..f2bd4a035 100644
--- a/ui/sdl.c
+++ b/ui/sdl.c
@@ -28,10 +28,6 @@
 #include <SDL.h>
 #include <SDL_syswm.h>
 
-#ifndef _WIN32
-#include <signal.h>
-#endif
-
 #include "qemu-common.h"
 #include "console.h"
 #include "sysemu.h"
diff --git a/usb-bsd.c b/usb-bsd.c
index 9bab6e353..c1bcc4a1d 100644
--- a/usb-bsd.c
+++ b/usb-bsd.c
@@ -39,7 +39,6 @@
 #else
 #include <bus/usb/usb.h>
 #endif
-#include <signal.h>
 
 /* This value has maximum potential at 16.
  * You should also set hw.usb.debug to gain
diff --git a/usb-linux.c b/usb-linux.c
index baa6574ef..fcfa09e4b 100644
--- a/usb-linux.c
+++ b/usb-linux.c
@@ -37,7 +37,6 @@
 
 #include <dirent.h>
 #include <sys/ioctl.h>
-#include <signal.h>
 
 #include <linux/usbdevice_fs.h>
 #include <linux/version.h>