[PATCH v5 15/20] hw/i386: update vapic_write to use MemTxAttrs

["Alex Bennée" <alex.bennee@linaro.org>]

This allows us to drop the current_cpu hack and properly model an
invalid access to the vapic.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
 hw/i386/kvmvapic.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/hw/i386/kvmvapic.c b/hw/i386/kvmvapic.c
index 43f8a8f679..a76ed07199 100644
--- a/hw/i386/kvmvapic.c
+++ b/hw/i386/kvmvapic.c
@@ -635,20 +635,21 @@ static int vapic_prepare(VAPICROMState *s)
     return 0;
 }
 
-static void vapic_write(void *opaque, hwaddr addr, uint64_t data,
-                        unsigned int size)
+static MemTxResult vapic_write(void *opaque, hwaddr addr, uint64_t data,
+                               unsigned int size, MemTxAttrs attrs)
 {
     VAPICROMState *s = opaque;
+    CPUState *cs;
     X86CPU *cpu;
     CPUX86State *env;
     hwaddr rom_paddr;
 
-    if (!current_cpu) {
-        return;
+    if (attrs.requester_type != MTRT_CPU) {
+        return MEMTX_ACCESS_ERROR;
     }
-
-    cpu_synchronize_state(current_cpu);
-    cpu = X86_CPU(current_cpu);
+    cs = qemu_get_cpu(attrs.requester_id);
+    cpu_synchronize_state(cs);
+    cpu = X86_CPU(cs);
     env = &cpu->env;
 
     /*
@@ -708,6 +709,8 @@ static void vapic_write(void *opaque, hwaddr addr, uint64_t data,
         }
         break;
     }
+
+    return MEMTX_OK;
 }
 
 static uint64_t vapic_read(void *opaque, hwaddr addr, unsigned size)
@@ -716,7 +719,7 @@ static uint64_t vapic_read(void *opaque, hwaddr addr, unsigned size)
 }
 
 static const MemoryRegionOps vapic_ops = {
-    .write = vapic_write,
+    .write_with_attrs = vapic_write,
     .read = vapic_read,
     .endianness = DEVICE_NATIVE_ENDIAN,
 };
-- 
2.34.1