diff options
-rw-r--r-- | block/iscsi.c | 1 | ||||
-rw-r--r-- | block/nbd.c | 1 | ||||
-rw-r--r-- | exec.c | 64 | ||||
-rw-r--r-- | hw/ipmi/isa_ipmi_bt.c | 34 | ||||
-rw-r--r-- | include/exec/memory.h | 10 | ||||
-rw-r--r-- | target/i386/helper.c | 4 | ||||
-rw-r--r-- | util/main-loop.c | 11 |
7 files changed, 43 insertions, 82 deletions
diff --git a/block/iscsi.c b/block/iscsi.c index 75d8905..716e74a 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -103,7 +103,6 @@ typedef struct IscsiTask { typedef struct IscsiAIOCB { BlockAIOCB common; - QEMUIOVector *qiov; QEMUBH *bh; IscsiLun *iscsilun; struct scsi_task *task; diff --git a/block/nbd.c b/block/nbd.c index 8bb29a9..814ab26d 100644 --- a/block/nbd.c +++ b/block/nbd.c @@ -322,6 +322,7 @@ static QIOChannelSocket *nbd_establish_connection(SocketAddressFlat *saddr_flat, &local_err); qapi_free_SocketAddress(saddr); if (local_err) { + object_unref(OBJECT(sioc)); error_propagate(errp, local_err); return NULL; } @@ -3236,75 +3236,33 @@ int64_t address_space_cache_init(MemoryRegionCache *cache, hwaddr len, bool is_write) { - hwaddr l, xlat; - MemoryRegion *mr; - void *ptr; - - assert(len > 0); - - l = len; - mr = address_space_translate(as, addr, &xlat, &l, is_write); - if (!memory_access_is_direct(mr, is_write)) { - return -EINVAL; - } - - l = address_space_extend_translation(as, addr, len, mr, xlat, l, is_write); - ptr = qemu_ram_ptr_length(mr->ram_block, xlat, &l); - - cache->xlat = xlat; - cache->is_write = is_write; - cache->mr = mr; - cache->ptr = ptr; - cache->len = l; - memory_region_ref(cache->mr); - - return l; + cache->len = len; + cache->as = as; + cache->xlat = addr; + return len; } void address_space_cache_invalidate(MemoryRegionCache *cache, hwaddr addr, hwaddr access_len) { - assert(cache->is_write); - invalidate_and_set_dirty(cache->mr, addr + cache->xlat, access_len); } void address_space_cache_destroy(MemoryRegionCache *cache) { - if (!cache->mr) { - return; - } - - if (xen_enabled()) { - xen_invalidate_map_cache_entry(cache->ptr); - } - memory_region_unref(cache->mr); - cache->mr = NULL; -} - -/* Called from RCU critical section. This function has the same - * semantics as address_space_translate, but it only works on a - * predefined range of a MemoryRegion that was mapped with - * address_space_cache_init. - */ -static inline MemoryRegion *address_space_translate_cached( - MemoryRegionCache *cache, hwaddr addr, hwaddr *xlat, - hwaddr *plen, bool is_write) -{ - assert(addr < cache->len && *plen <= cache->len - addr); - *xlat = addr + cache->xlat; - return cache->mr; + cache->as = NULL; } #define ARG1_DECL MemoryRegionCache *cache #define ARG1 cache #define SUFFIX _cached -#define TRANSLATE(...) address_space_translate_cached(cache, __VA_ARGS__) +#define TRANSLATE(addr, ...) \ + address_space_translate(cache->as, cache->xlat + (addr), __VA_ARGS__) #define IS_DIRECT(mr, is_write) true -#define MAP_RAM(mr, ofs) (cache->ptr + (ofs - cache->xlat)) -#define INVALIDATE(mr, ofs, len) ((void)0) -#define RCU_READ_LOCK() ((void)0) -#define RCU_READ_UNLOCK() ((void)0) +#define MAP_RAM(mr, ofs) qemu_map_ram_ptr((mr)->ram_block, ofs) +#define INVALIDATE(mr, ofs, len) invalidate_and_set_dirty(mr, ofs, len) +#define RCU_READ_LOCK() rcu_read_lock() +#define RCU_READ_UNLOCK() rcu_read_unlock() #include "memory_ldst.inc.c" /* virtual memory access for debug (includes writing to ROM) */ diff --git a/hw/ipmi/isa_ipmi_bt.c b/hw/ipmi/isa_ipmi_bt.c index 1c69cb3..2fcc3d2 100644 --- a/hw/ipmi/isa_ipmi_bt.c +++ b/hw/ipmi/isa_ipmi_bt.c @@ -37,40 +37,30 @@ #define IPMI_BT_HBUSY_BIT 6 #define IPMI_BT_BBUSY_BIT 7 -#define IPMI_BT_CLR_WR_MASK (1 << IPMI_BT_CLR_WR_BIT) #define IPMI_BT_GET_CLR_WR(d) (((d) >> IPMI_BT_CLR_WR_BIT) & 0x1) -#define IPMI_BT_SET_CLR_WR(d, v) (d) = (((d) & ~IPMI_BT_CLR_WR_MASK) | \ - (((v & 1) << IPMI_BT_CLR_WR_BIT))) -#define IPMI_BT_CLR_RD_MASK (1 << IPMI_BT_CLR_RD_BIT) #define IPMI_BT_GET_CLR_RD(d) (((d) >> IPMI_BT_CLR_RD_BIT) & 0x1) -#define IPMI_BT_SET_CLR_RD(d, v) (d) = (((d) & ~IPMI_BT_CLR_RD_MASK) | \ - (((v & 1) << IPMI_BT_CLR_RD_BIT))) -#define IPMI_BT_H2B_ATN_MASK (1 << IPMI_BT_H2B_ATN_BIT) #define IPMI_BT_GET_H2B_ATN(d) (((d) >> IPMI_BT_H2B_ATN_BIT) & 0x1) -#define IPMI_BT_SET_H2B_ATN(d, v) (d) = (((d) & ~IPMI_BT_H2B_ATN_MASK) | \ - (((v & 1) << IPMI_BT_H2B_ATN_BIT))) #define IPMI_BT_B2H_ATN_MASK (1 << IPMI_BT_B2H_ATN_BIT) #define IPMI_BT_GET_B2H_ATN(d) (((d) >> IPMI_BT_B2H_ATN_BIT) & 0x1) -#define IPMI_BT_SET_B2H_ATN(d, v) (d) = (((d) & ~IPMI_BT_B2H_ATN_MASK) | \ - (((v & 1) << IPMI_BT_B2H_ATN_BIT))) +#define IPMI_BT_SET_B2H_ATN(d, v) ((d) = (((d) & ~IPMI_BT_B2H_ATN_MASK) | \ + (((v) & 1) << IPMI_BT_B2H_ATN_BIT))) #define IPMI_BT_SMS_ATN_MASK (1 << IPMI_BT_SMS_ATN_BIT) #define IPMI_BT_GET_SMS_ATN(d) (((d) >> IPMI_BT_SMS_ATN_BIT) & 0x1) -#define IPMI_BT_SET_SMS_ATN(d, v) (d) = (((d) & ~IPMI_BT_SMS_ATN_MASK) | \ - (((v & 1) << IPMI_BT_SMS_ATN_BIT))) +#define IPMI_BT_SET_SMS_ATN(d, v) ((d) = (((d) & ~IPMI_BT_SMS_ATN_MASK) | \ + (((v) & 1) << IPMI_BT_SMS_ATN_BIT))) #define IPMI_BT_HBUSY_MASK (1 << IPMI_BT_HBUSY_BIT) #define IPMI_BT_GET_HBUSY(d) (((d) >> IPMI_BT_HBUSY_BIT) & 0x1) -#define IPMI_BT_SET_HBUSY(d, v) (d) = (((d) & ~IPMI_BT_HBUSY_MASK) | \ - (((v & 1) << IPMI_BT_HBUSY_BIT))) +#define IPMI_BT_SET_HBUSY(d, v) ((d) = (((d) & ~IPMI_BT_HBUSY_MASK) | \ + (((v) & 1) << IPMI_BT_HBUSY_BIT))) #define IPMI_BT_BBUSY_MASK (1 << IPMI_BT_BBUSY_BIT) -#define IPMI_BT_GET_BBUSY(d) (((d) >> IPMI_BT_BBUSY_BIT) & 0x1) -#define IPMI_BT_SET_BBUSY(d, v) (d) = (((d) & ~IPMI_BT_BBUSY_MASK) | \ - (((v & 1) << IPMI_BT_BBUSY_BIT))) +#define IPMI_BT_SET_BBUSY(d, v) ((d) = (((d) & ~IPMI_BT_BBUSY_MASK) | \ + (((v) & 1) << IPMI_BT_BBUSY_BIT))) /* Mask register */ @@ -79,13 +69,13 @@ #define IPMI_BT_B2H_IRQ_EN_MASK (1 << IPMI_BT_B2H_IRQ_EN_BIT) #define IPMI_BT_GET_B2H_IRQ_EN(d) (((d) >> IPMI_BT_B2H_IRQ_EN_BIT) & 0x1) -#define IPMI_BT_SET_B2H_IRQ_EN(d, v) (d) = (((d) & ~IPMI_BT_B2H_IRQ_EN_MASK) | \ - (((v & 1) << IPMI_BT_B2H_IRQ_EN_BIT))) +#define IPMI_BT_SET_B2H_IRQ_EN(d, v) ((d) = (((d) & ~IPMI_BT_B2H_IRQ_EN_MASK) |\ + (((v) & 1) << IPMI_BT_B2H_IRQ_EN_BIT))) #define IPMI_BT_B2H_IRQ_MASK (1 << IPMI_BT_B2H_IRQ_BIT) #define IPMI_BT_GET_B2H_IRQ(d) (((d) >> IPMI_BT_B2H_IRQ_BIT) & 0x1) -#define IPMI_BT_SET_B2H_IRQ(d, v) (d) = (((d) & ~IPMI_BT_B2H_IRQ_MASK) | \ - (((v & 1) << IPMI_BT_B2H_IRQ_BIT))) +#define IPMI_BT_SET_B2H_IRQ(d, v) ((d) = (((d) & ~IPMI_BT_B2H_IRQ_MASK) | \ + (((v) & 1) << IPMI_BT_B2H_IRQ_BIT))) typedef struct IPMIBT { IPMIBmc *bmc; diff --git a/include/exec/memory.h b/include/exec/memory.h index e39256a..f20b191 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -1426,13 +1426,11 @@ void stq_be_phys(AddressSpace *as, hwaddr addr, uint64_t val); struct MemoryRegionCache { hwaddr xlat; - void *ptr; hwaddr len; - MemoryRegion *mr; - bool is_write; + AddressSpace *as; }; -#define MEMORY_REGION_CACHE_INVALID ((MemoryRegionCache) { .mr = NULL }) +#define MEMORY_REGION_CACHE_INVALID ((MemoryRegionCache) { .as = NULL }) /* address_space_cache_init: prepare for repeated access to a physical * memory region @@ -1688,7 +1686,7 @@ address_space_read_cached(MemoryRegionCache *cache, hwaddr addr, void *buf, int len) { assert(addr < cache->len && len <= cache->len - addr); - memcpy(buf, cache->ptr + addr, len); + address_space_read(cache->as, cache->xlat + addr, MEMTXATTRS_UNSPECIFIED, buf, len); } /** @@ -1704,7 +1702,7 @@ address_space_write_cached(MemoryRegionCache *cache, hwaddr addr, void *buf, int len) { assert(addr < cache->len && len <= cache->len - addr); - memcpy(cache->ptr + addr, buf, len); + address_space_write(cache->as, cache->xlat + addr, MEMTXATTRS_UNSPECIFIED, buf, len); } #endif diff --git a/target/i386/helper.c b/target/i386/helper.c index e2af340..f11cac6 100644 --- a/target/i386/helper.c +++ b/target/i386/helper.c @@ -326,6 +326,10 @@ void x86_cpu_dump_local_apic_state(CPUState *cs, FILE *f, { X86CPU *cpu = X86_CPU(cs); APICCommonState *s = APIC_COMMON(cpu->apic_state); + if (!s) { + cpu_fprintf(f, "local apic state not available\n"); + return; + } uint32_t *lvt = s->lvt; cpu_fprintf(f, "dumping local APIC state for CPU %-2u\n\n", diff --git a/util/main-loop.c b/util/main-loop.c index 4534c89..19cad6b 100644 --- a/util/main-loop.c +++ b/util/main-loop.c @@ -218,9 +218,12 @@ static void glib_pollfds_poll(void) static int os_host_main_loop_wait(int64_t timeout) { + GMainContext *context = g_main_context_default(); int ret; static int spin_counter; + g_main_context_acquire(context); + glib_pollfds_fill(&timeout); /* If the I/O thread is very busy or we are incorrectly busy waiting in @@ -256,6 +259,9 @@ static int os_host_main_loop_wait(int64_t timeout) } glib_pollfds_poll(); + + g_main_context_release(context); + return ret; } #else @@ -412,12 +418,15 @@ static int os_host_main_loop_wait(int64_t timeout) fd_set rfds, wfds, xfds; int nfds; + g_main_context_acquire(context); + /* XXX: need to suppress polling by better using win32 events */ ret = 0; for (pe = first_polling_entry; pe != NULL; pe = pe->next) { ret |= pe->func(pe->opaque); } if (ret != 0) { + g_main_context_release(context); return ret; } @@ -472,6 +481,8 @@ static int os_host_main_loop_wait(int64_t timeout) g_main_context_dispatch(context); } + g_main_context_release(context); + return select_ret || g_poll_ret; } #endif |