main/qemu: add patch for vhost and remove unused patches

4 files changed, 34 insertions, 65 deletions

diff --git a/main/qemu/APKBUILD b/main/qemu/APKBUILD
index 8d9d4ac22..abf3c855a 100644
--- a/main/qemu/APKBUILD
+++ b/main/qemu/APKBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=qemu
 pkgver=0.14.0
-pkgrel=0
+pkgrel=1
 pkgdesc="QEMU is a generic machine emulator and virtualizer"
 url="http://www.nongnu.org/qemu/"
 arch="all"
@@ -30,6 +30,7 @@ $pkgname-img
 "
 source="http://savannah.nongnu.org/download/$pkgname/$pkgname-$pkgver.tar.gz
 	qemu-libm.patch
+	qemu-vhost-fix-dirty-page-handling.patch
 	80-kvm.rules
 	"
 
@@ -107,4 +108,5 @@ img() {
 
 md5sums="f9d145d5c09de9f0984ffe9bd1229970  qemu-0.14.0.tar.gz
 70a4336c31600ce00838b056f0d08452  qemu-libm.patch
+07ac0525259a8a5a98c441cbbdceceef  qemu-vhost-fix-dirty-page-handling.patch
 66660f143235201249dc0648b39b86ee  80-kvm.rules"
diff --git a/main/qemu/kqemu.patch b/main/qemu/kqemu.patch
deleted file mode 100644
index 337a356ce..000000000
--- a/main/qemu/kqemu.patch
+++ /dev/null
@@ -1,32 +0,0 @@
---- a/kqemu.c	2009-07-17 00:56:23.000000000 +0000
-+++ b/kqemu.c	2009-08-22 13:20:00.000000000 +0000
-@@ -93,9 +93,9 @@
- int qpi_io_memory;
- uint32_t kqemu_comm_base; /* physical address of the QPI communication page */
- 
--#define cpuid(index, eax, ebx, ecx, edx) \
-+#define cpuid(index, eax, ecx, edx) \
-   asm volatile ("cpuid" \
--                : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) \
-+                : "=a" (eax), "=c" (ecx), "=d" (edx) \
-                 : "0" (index))
- 
- #ifdef __x86_64__
-@@ -125,7 +125,7 @@
- static void kqemu_update_cpuid(CPUState *env)
- {
-     int critical_features_mask, features, ext_features, ext_features_mask;
--    uint32_t eax, ebx, ecx, edx;
-+    uint32_t eax, ecx, edx;
- 
-     /* the following features are kept identical on the host and
-        target cpus because they are important for user code. Strictly
-@@ -140,7 +140,7 @@
-         features = 0;
-         ext_features = 0;
-     } else {
--        cpuid(1, eax, ebx, ecx, edx);
-+        cpuid(1, eax, ecx, edx);
-         features = edx;
-         ext_features = ecx;
-     }
diff --git a/main/qemu/qemu-0.10.3-nopl-fix.patch b/main/qemu/qemu-0.10.3-nopl-fix.patch
deleted file mode 100644
index bdef0efc3..000000000
--- a/main/qemu/qemu-0.10.3-nopl-fix.patch
+++ /dev/null
@@ -1,32 +0,0 @@
---- i386-dis.c	2009-03-22 00:05:48.000000000 +0100
-+++ i386-dis_new.c	2009-04-21 08:31:08.000000000 +0200
-@@ -784,13 +784,13 @@
-   { "movhpX",		EX, XM, SIMD_Fixup, 'l' },
-   /* 18 */
-   { GRP14 },
--  { "(bad)",		XX, XX, XX },
--  { "(bad)",		XX, XX, XX },
--  { "(bad)",		XX, XX, XX },
--  { "(bad)",		XX, XX, XX },
--  { "(bad)",		XX, XX, XX },
--  { "(bad)",		XX, XX, XX },
--  { "(bad)",		XX, XX, XX },
-+  { "nopQ",		Ev, XX, XX },
-+  { "nopQ",		Ev, XX, XX },
-+  { "nopQ",		Ev, XX, XX },
-+  { "nopQ",		Ev, XX, XX },
-+  { "nopQ",		Ev, XX, XX },
-+  { "nopQ",		Ev, XX, XX },
-+  { "nopQ",		Ev, XX, XX },
-   /* 20 */
-   { "movL",		Rm, Cm, XX },
-   { "movL",		Rm, Dm, XX },
-@@ -1072,7 +1072,7 @@
-   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
-   /*       -------------------------------        */
-   /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */
--  /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0, /* 1f */
-+  /* 10 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 1f */
-   /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */
-   /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
-   /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */
diff --git a/main/qemu/qemu-vhost-fix-dirty-page-handling.patch b/main/qemu/qemu-vhost-fix-dirty-page-handling.patch
new file mode 100644
index 000000000..e3fabb74a
--- /dev/null
+++ b/main/qemu/qemu-vhost-fix-dirty-page-handling.patch
@@ -0,0 +1,31 @@
+vhost was passing a physical address to cpu_physical_memory_set_dirty,
+which is wrong: we need to translate to ram address first.
+
+Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
+
+Note: this lead to crashes during migration, so the patch
+is needed on the stable branch too.
+
+---
+ hw/vhost.c |    4 +++-
+ 1 files changed, 3 insertions(+), 1 deletions(-)
+
+diff --git a/hw/vhost.c b/hw/vhost.c
+index aaa34e4..97a1299 100644
+--- a/hw/vhost.c
++++ b/hw/vhost.c
+@@ -49,8 +49,10 @@ static void vhost_dev_sync_region(struct vhost_dev *dev,
+         log = __sync_fetch_and_and(from, 0);
+         while ((bit = sizeof(log) > sizeof(int) ?
+                 ffsll(log) : ffs(log))) {
++            ram_addr_t ram_addr;
+             bit -= 1;
+-            cpu_physical_memory_set_dirty(addr + bit * VHOST_LOG_PAGE);
++            ram_addr = cpu_get_physical_page_desc(addr + bit * VHOST_LOG_PAGE);
++            cpu_physical_memory_set_dirty(ram_addr);
+             log &= ~(0x1ull << bit);
+         }
+         addr += VHOST_LOG_CHUNK;
+-- 
+1.7.3.2.91.g446ac
+