Merge remote-tracking branch 'agraf/ppc-for-upstream-1.3' into staging

* agraf/ppc-for-upstream-1.3:
  fbdev: fix pixman compile on old pixman
  vl.c: Fix broken -usb option
  pseries: Fix bug in PCI MSI allocation
  kvm: fix incorrect length in a loop over kvm dirty pages map
  PPC: Fix missing TRACE exception
  hw/ide/macio: Fix segfault caused by NULL DMAContext*
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

hw/ide/macio.c

@@ -76,7 +76,8 @@ static void pmac_ide_atapi_transfer_cb(void *opaque, int ret)
 
     s->io_buffer_size = io->len;
 
-    qemu_sglist_init(&s->sg, io->len / MACIO_PAGE_SIZE + 1, NULL);
+    qemu_sglist_init(&s->sg, io->len / MACIO_PAGE_SIZE + 1,
+                     &dma_context_memory);
     qemu_sglist_add(&s->sg, io->addr, io->len);
     io->addr += io->len;
     io->len = 0;
@@ -132,7 +133,8 @@ static void pmac_ide_transfer_cb(void *opaque, int ret)
     s->io_buffer_index = 0;
     s->io_buffer_size = io->len;
 
-    qemu_sglist_init(&s->sg, io->len / MACIO_PAGE_SIZE + 1, NULL);
+    qemu_sglist_init(&s->sg, io->len / MACIO_PAGE_SIZE + 1,
+                     &dma_context_memory);
     qemu_sglist_add(&s->sg, io->addr, io->len);
     io->addr += io->len;
     io->len = 0;

hw/spapr_pci.c

@@ -351,7 +351,7 @@ static void rtas_ibm_change_msi(sPAPREnvironment *spapr,
 
     /* There is no cached config, allocate MSIs */
     if (!phb->msi_table[ndev].nvec) {
-        irq = spapr_allocate_irq_block(req_num, true);
+        irq = spapr_allocate_irq_block(req_num, false);
         if (irq < 0) {
             fprintf(stderr, "Cannot allocate MSIs for device#%d", ndev);
             rtas_st(rets, 0, -1); /* Hardware error */

kvm-all.c

@@ -364,7 +364,7 @@ static int kvm_get_dirty_pages_log_range(MemoryRegionSection *section,
     unsigned int i, j;
     unsigned long page_number, c;
     hwaddr addr, addr1;
-    unsigned int len = ((section->size / TARGET_PAGE_SIZE) + HOST_LONG_BITS - 1) / HOST_LONG_BITS;
+    unsigned int len = ((section->size / getpagesize()) + HOST_LONG_BITS - 1) / HOST_LONG_BITS;
     unsigned long hpratio = getpagesize() / TARGET_PAGE_SIZE;
 
     /*

qemu-pixman.c

@@ -21,7 +21,9 @@ int qemu_pixman_get_type(int rshift, int gshift, int bshift)
         if (rshift == 0) {
             type = PIXMAN_TYPE_ABGR;
         } else {
+#if PIXMAN_VERSION >= PIXMAN_VERSION_ENCODE(0, 21, 8)
             type = PIXMAN_TYPE_BGRA;
+#endif
         }
     }
     return type;

target-ppc/translate.c

@@ -3473,7 +3473,8 @@ static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
         if (unlikely(ctx->singlestep_enabled)) {
             if ((ctx->singlestep_enabled &
                 (CPU_BRANCH_STEP | CPU_SINGLE_STEP)) &&
-                ctx->exception == POWERPC_EXCP_BRANCH) {
+                (ctx->exception == POWERPC_EXCP_BRANCH ||
+                 ctx->exception == POWERPC_EXCP_TRACE)) {
                 target_ulong tmp = ctx->nip;
                 ctx->nip = dest;
                 gen_exception(ctx, POWERPC_EXCP_TRACE);