From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Cc: Sergey Fedorov <serge.fdrv@gmail.com>,
Sergey Fedorov <sergey.fedorov@linaro.org>
Subject: [Qemu-devel] [PULL 14/23] tcg: Introduce tb_mark_invalid() and tb_is_invalid()
Date: Mon, 18 Jul 2016 11:27:46 +0200 [thread overview]
Message-ID: <1468834075-25669-15-git-send-email-pbonzini@redhat.com> (raw)
In-Reply-To: <1468834075-25669-1-git-send-email-pbonzini@redhat.com>
From: Sergey Fedorov <serge.fdrv@gmail.com>
These functions will be used to make translation block invalidation safe
with concurrent lockless lookup in the global hash table.
Most targets don't use 'cs_base'; so marking TB as invalid is as simple
as assigning -1 to 'cs_base'. SPARC target stores the next program
counter into 'cs_base', and -1 is a fine invalid value since PC must be
a multiple of 4 in SPARC. The only odd target is i386, for which a
special flag is introduced in place of removed 'HF_SOFTMMU_MASK'.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com>
Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20160715175852.30749-7-sergey.fedorov@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
include/exec/exec-all.h | 10 ++++++++++
target-alpha/cpu.h | 14 ++++++++++++++
target-arm/cpu.h | 14 ++++++++++++++
target-cris/cpu.h | 14 ++++++++++++++
target-i386/cpu.h | 17 +++++++++++++++++
target-lm32/cpu.h | 14 ++++++++++++++
target-m68k/cpu.h | 14 ++++++++++++++
target-microblaze/cpu.h | 14 ++++++++++++++
target-mips/cpu.h | 14 ++++++++++++++
target-moxie/cpu.h | 14 ++++++++++++++
target-openrisc/cpu.h | 14 ++++++++++++++
target-ppc/cpu.h | 14 ++++++++++++++
target-s390x/cpu.h | 14 ++++++++++++++
target-sh4/cpu.h | 14 ++++++++++++++
target-sparc/cpu.h | 14 ++++++++++++++
target-sparc/translate.c | 1 +
target-tilegx/cpu.h | 14 ++++++++++++++
target-tricore/cpu.h | 14 ++++++++++++++
target-unicore32/cpu.h | 14 ++++++++++++++
target-xtensa/cpu.h | 14 ++++++++++++++
20 files changed, 266 insertions(+)
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index acda7b6..a499c7c 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -256,6 +256,16 @@ void tb_free(TranslationBlock *tb);
void tb_flush(CPUState *cpu);
void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr);
+static inline void tb_mark_invalid(TranslationBlock *tb)
+{
+ cpu_get_invalid_tb_cpu_state(&tb->pc, &tb->cs_base, &tb->flags);
+}
+
+static inline bool tb_is_invalid(TranslationBlock *tb)
+{
+ return cpu_tb_cpu_state_is_invalidated(tb->pc, tb->cs_base, tb->flags);
+}
+
#if defined(USE_DIRECT_JUMP)
#if defined(CONFIG_TCG_INTERPRETER)
diff --git a/target-alpha/cpu.h b/target-alpha/cpu.h
index ac5e801..f4ecabe 100644
--- a/target-alpha/cpu.h
+++ b/target-alpha/cpu.h
@@ -524,4 +524,18 @@ static inline void cpu_get_tb_cpu_state(CPUAlphaState *env, target_ulong *pc,
*pflags = flags;
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
#endif /* ALPHA_CPU_H */
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index 76d824d..068f58d 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -2371,6 +2371,20 @@ static inline void cpu_get_tb_cpu_state(CPUARMState *env, target_ulong *pc,
*cs_base = 0;
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
enum {
QEMU_PSCI_CONDUIT_DISABLED = 0,
QEMU_PSCI_CONDUIT_SMC = 1,
diff --git a/target-cris/cpu.h b/target-cris/cpu.h
index 7d7fe6e..a20154e 100644
--- a/target-cris/cpu.h
+++ b/target-cris/cpu.h
@@ -296,6 +296,20 @@ static inline void cpu_get_tb_cpu_state(CPUCRISState *env, target_ulong *pc,
| X_FLAG | PFIX_FLAG));
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
#define cpu_list cris_cpu_list
void cris_cpu_list(FILE *f, fprintf_function cpu_fprintf);
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 5b14a72..1e430ae 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -130,6 +130,8 @@
positions to ease oring with eflags. */
/* current cpl */
#define HF_CPL_SHIFT 0
+/* used to mark invalidated translation blocks */
+#define HF_INVALID_SHIFT 2
/* true if hardware interrupts must be disabled for next instruction */
#define HF_INHIBIT_IRQ_SHIFT 3
/* 16 or 32 segments */
@@ -159,6 +161,7 @@
#define HF_MPX_IU_SHIFT 26 /* BND registers in-use */
#define HF_CPL_MASK (3 << HF_CPL_SHIFT)
+#define HF_INVALID_MASK (1 << HF_INVALID_SHIFT)
#define HF_INHIBIT_IRQ_MASK (1 << HF_INHIBIT_IRQ_SHIFT)
#define HF_CS32_MASK (1 << HF_CS32_SHIFT)
#define HF_SS32_MASK (1 << HF_SS32_SHIFT)
@@ -1490,6 +1493,20 @@ static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
(env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *flags = HF_INVALID_MASK;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return flags == HF_INVALID_MASK;
+}
+
void do_cpu_init(X86CPU *cpu);
void do_cpu_sipi(X86CPU *cpu);
diff --git a/target-lm32/cpu.h b/target-lm32/cpu.h
index d8a3515..a94c6bd 100644
--- a/target-lm32/cpu.h
+++ b/target-lm32/cpu.h
@@ -271,4 +271,18 @@ static inline void cpu_get_tb_cpu_state(CPULM32State *env, target_ulong *pc,
*flags = 0;
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
#endif
diff --git a/target-m68k/cpu.h b/target-m68k/cpu.h
index b2faa6b..549b0eb 100644
--- a/target-m68k/cpu.h
+++ b/target-m68k/cpu.h
@@ -270,4 +270,18 @@ static inline void cpu_get_tb_cpu_state(CPUM68KState *env, target_ulong *pc,
| ((env->macsr >> 4) & 0xf); /* Bits 0-3 */
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
#endif
diff --git a/target-microblaze/cpu.h b/target-microblaze/cpu.h
index beb75ff..2228e74 100644
--- a/target-microblaze/cpu.h
+++ b/target-microblaze/cpu.h
@@ -372,6 +372,20 @@ static inline void cpu_get_tb_cpu_state(CPUMBState *env, target_ulong *pc,
(env->sregs[SR_MSR] & (MSR_UM | MSR_VM | MSR_EE));
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
#if !defined(CONFIG_USER_ONLY)
void mb_cpu_unassigned_access(CPUState *cpu, hwaddr addr,
bool is_write, bool is_exec, int is_asi,
diff --git a/target-mips/cpu.h b/target-mips/cpu.h
index 5182dc7..e47e2e3 100644
--- a/target-mips/cpu.h
+++ b/target-mips/cpu.h
@@ -901,6 +901,20 @@ static inline void cpu_get_tb_cpu_state(CPUMIPSState *env, target_ulong *pc,
MIPS_HFLAG_HWRENA_ULR);
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
static inline int mips_vpe_active(CPUMIPSState *env)
{
int active = 1;
diff --git a/target-moxie/cpu.h b/target-moxie/cpu.h
index 3e880fa..fba7276 100644
--- a/target-moxie/cpu.h
+++ b/target-moxie/cpu.h
@@ -137,6 +137,20 @@ static inline void cpu_get_tb_cpu_state(CPUMoxieState *env, target_ulong *pc,
*flags = 0;
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
int moxie_cpu_handle_mmu_fault(CPUState *cpu, vaddr address,
int rw, int mmu_idx);
diff --git a/target-openrisc/cpu.h b/target-openrisc/cpu.h
index aaf1535..b6069a3 100644
--- a/target-openrisc/cpu.h
+++ b/target-openrisc/cpu.h
@@ -398,6 +398,20 @@ static inline void cpu_get_tb_cpu_state(CPUOpenRISCState *env,
*flags = (env->flags & D_FLAG);
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
static inline int cpu_mmu_index(CPUOpenRISCState *env, bool ifetch)
{
if (!(env->sr & SR_IME)) {
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 5fce1ff..f944836 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -2295,6 +2295,20 @@ static inline void cpu_get_tb_cpu_state(CPUPPCState *env, target_ulong *pc,
*flags = env->hflags;
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
#if !defined(CONFIG_USER_ONLY)
static inline int booke206_tlbm_id(CPUPPCState *env, ppcmas_tlb_t *tlbm)
{
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index c216bda..113490e 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -394,6 +394,20 @@ static inline void cpu_get_tb_cpu_state(CPUS390XState* env, target_ulong *pc,
((env->psw.mask & PSW_MASK_32) ? FLAG_MASK_32 : 0);
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
/* While the PoO talks about ILC (a number between 1-3) what is actually
stored in LowCore is shifted left one bit (an even between 2-6). As
this is the actual length of the insn and therefore more useful, that
diff --git a/target-sh4/cpu.h b/target-sh4/cpu.h
index 478ab55..6128d38 100644
--- a/target-sh4/cpu.h
+++ b/target-sh4/cpu.h
@@ -388,4 +388,18 @@ static inline void cpu_get_tb_cpu_state(CPUSH4State *env, target_ulong *pc,
| (env->movcal_backup ? TB_FLAG_PENDING_MOVCA : 0); /* Bit 4 */
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
#endif /* SH4_CPU_H */
diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h
index a3d64a4..e327a35 100644
--- a/target-sparc/cpu.h
+++ b/target-sparc/cpu.h
@@ -749,6 +749,20 @@ static inline void cpu_get_tb_cpu_state(CPUSPARCState *env, target_ulong *pc,
*pflags = flags;
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1; /* npc must be a multible of 4 */
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
static inline bool tb_fpu_enabled(int tb_flags)
{
#if defined(CONFIG_USER_ONLY)
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index e7691e4..81442ef 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -39,6 +39,7 @@
#define DYNAMIC_PC 1 /* dynamic pc value */
#define JUMP_PC 2 /* dynamic pc value which takes only two values
according to jump_pc[T2] */
+/* NOTE: -1 is reserved for cpu_get_invalid_tb_cpu_state() */
/* global register indexes */
static TCGv_env cpu_env;
diff --git a/target-tilegx/cpu.h b/target-tilegx/cpu.h
index 1735427..863c061 100644
--- a/target-tilegx/cpu.h
+++ b/target-tilegx/cpu.h
@@ -175,4 +175,18 @@ static inline void cpu_get_tb_cpu_state(CPUTLGState *env, target_ulong *pc,
*flags = 0;
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
#endif
diff --git a/target-tricore/cpu.h b/target-tricore/cpu.h
index a3493a1..980b821 100644
--- a/target-tricore/cpu.h
+++ b/target-tricore/cpu.h
@@ -411,6 +411,20 @@ static inline void cpu_get_tb_cpu_state(CPUTriCoreState *env, target_ulong *pc,
*flags = 0;
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
TriCoreCPU *cpu_tricore_init(const char *cpu_model);
#define cpu_init(cpu_model) CPU(cpu_tricore_init(cpu_model))
diff --git a/target-unicore32/cpu.h b/target-unicore32/cpu.h
index 7b5b405..01bf1e8 100644
--- a/target-unicore32/cpu.h
+++ b/target-unicore32/cpu.h
@@ -180,6 +180,20 @@ static inline void cpu_get_tb_cpu_state(CPUUniCore32State *env, target_ulong *pc
}
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
int uc32_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int rw,
int mmu_idx);
void uc32_translate_init(void);
diff --git a/target-xtensa/cpu.h b/target-xtensa/cpu.h
index 7fe82a3..2395887 100644
--- a/target-xtensa/cpu.h
+++ b/target-xtensa/cpu.h
@@ -582,6 +582,20 @@ static inline void cpu_get_tb_cpu_state(CPUXtensaState *env, target_ulong *pc,
}
}
+static inline void cpu_get_invalid_tb_cpu_state(target_ulong *pc,
+ target_ulong *cs_base,
+ uint32_t *flags)
+{
+ *cs_base = -1;
+}
+
+static inline bool cpu_tb_cpu_state_is_invalidated(target_ulong pc,
+ target_ulong cs_base,
+ uint32_t flags)
+{
+ return cs_base == -1;
+}
+
#include "exec/cpu-all.h"
#endif
--
2.7.4
next prev parent reply other threads:[~2016-07-18 9:28 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-18 9:27 [Qemu-devel] [PULL 00/23] TCG and misc patches for 2.7 hard freeze from 2016-07-18 Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 01/23] use g_path_get_dirname instead of dirname Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 02/23] Changed malloc to g_malloc, free to g_free in bsd-user/qemu.h Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 03/23] hw/i386: add device tree support Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 04/23] compiler: never omit assertions if using a static analysis tool Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 05/23] megasas: remove useless check for cmd->frame Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 06/23] checkpatch: consider git extended headers valid patches Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 07/23] exec: avoid realloc in phys_map_node_reserve Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 08/23] cpu-exec: Move down some declarations in cpu_exec() Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 09/23] util/qht: Document memory ordering assumptions Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 10/23] tcg: Pass last_tb by value to tb_find_fast() Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 11/23] tcg: Prepare safe tb_jmp_cache lookup out of tb_lock Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 12/23] tcg: Prepare safe access to tb_flushed " Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 13/23] target-i386: Remove redundant HF_SOFTMMU_MASK Paolo Bonzini
2016-07-18 9:27 ` Paolo Bonzini [this message]
2016-07-18 9:27 ` [Qemu-devel] [PULL 15/23] tcg: Prepare TB invalidation for lockless TB lookup Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 16/23] tcg: set up tb->page_addr before insertion Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 17/23] tcg: cpu-exec: remove tb_lock from the hot-path Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 18/23] tcg: Avoid bouncing tb_lock between tb_gen_code() and tb_add_jump() Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 19/23] tcg: Merge tb_find_slow() and tb_find_fast() Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 20/23] tcg: rename tb_find_physical() Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 21/23] Move README to markdown Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 22/23] block/iscsi: fix rounding in iscsi_allocationmap_set Paolo Bonzini
2016-07-18 9:27 ` [Qemu-devel] [PULL 23/23] block/iscsi: allow caching of the allocation map Paolo Bonzini
2016-07-18 11:51 ` [Qemu-devel] [PULL 00/23] TCG and misc patches for 2.7 hard freeze from 2016-07-18 Peter Maydell
2016-07-18 11:54 ` Paolo Bonzini
2016-07-18 11:57 ` Peter Maydell
2016-07-18 11:59 ` Paolo Bonzini
2016-07-18 12:50 ` Peter Maydell
2016-07-18 13:22 ` Paolo Bonzini
2016-07-18 13:41 ` Peter Maydell
2016-07-18 13:59 ` Paolo Bonzini
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