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From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Cc: mttcg@greensocs.com, fred.konrad@greensocs.com
Subject: [Qemu-devel] [PATCH 05/10] cpu-exec: elide more icount code if CONFIG_USER_ONLY
Date: Wed, 12 Aug 2015 18:40:57 +0200	[thread overview]
Message-ID: <1439397664-70734-6-git-send-email-pbonzini@redhat.com> (raw)
In-Reply-To: <1439397664-70734-1-git-send-email-pbonzini@redhat.com>

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 cpu-exec.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cpu-exec.c b/cpu-exec.c
index 599e64d..bde5fd1 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -228,6 +228,7 @@ static inline tcg_target_ulong cpu_tb_exec(CPUState *cpu, uint8_t *tb_ptr)
     return next_tb;
 }
 
+#if defined(CONFIG_SOFTMMU)
 /* Execute the code without caching the generated code. An interpreter
    could be used if available. */
 static void cpu_exec_nocache(CPUState *cpu, int max_cycles,
@@ -251,6 +252,7 @@ static void cpu_exec_nocache(CPUState *cpu, int max_cycles,
     tb_phys_invalidate(tb, -1);
     tb_free(tb);
 }
+#endif
 
 static TranslationBlock *tb_find_slow(CPUState *cpu,
                                       target_ulong pc,
@@ -523,6 +525,9 @@ int cpu_exec(CPUState *cpu)
                     case TB_EXIT_ICOUNT_EXPIRED:
                     {
                         /* Instruction counter expired.  */
+#ifdef CONFIG_USER_ONLY
+                        abort();
+#else
                         int insns_left = cpu->icount_decr.u32;
                         if (cpu->icount_extra && insns_left >= 0) {
                             /* Refill decrementer and continue execution.  */
@@ -542,6 +547,7 @@ int cpu_exec(CPUState *cpu)
                             cpu_loop_exit(cpu);
                         }
                         break;
+#endif
                     }
                     default:
                         break;
-- 
1.8.3.1

  parent reply	other threads:[~2015-08-12 16:41 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-12 16:40 [Qemu-devel] [PATCH 00/10] translate-all.c thread-safety Paolo Bonzini
2015-08-12 16:40 ` [Qemu-devel] [PATCH 01/10] cpus: protect work list with work_mutex Paolo Bonzini
2015-08-28 14:33   ` Peter Maydell
2015-08-12 16:40 ` [Qemu-devel] [PATCH 02/10] cpus: remove tcg_halt_cond global variable Paolo Bonzini
2015-08-13 13:05   ` Frederic Konrad
2015-08-13 13:08     ` Paolo Bonzini
2015-08-13 13:19       ` Frederic Konrad
2015-08-28 14:36   ` Peter Maydell
2015-08-29  6:52     ` Paolo Bonzini
2015-08-12 16:40 ` [Qemu-devel] [PATCH 03/10] replace spinlock by QemuMutex Paolo Bonzini
2015-08-13 12:17   ` Frederic Konrad
2015-08-13 13:12     ` Paolo Bonzini
2015-08-13 13:21       ` Frederic Konrad
2015-08-28 14:49   ` Peter Maydell
2015-08-28 14:53     ` Frederic Konrad
2015-08-29  6:51       ` Paolo Bonzini
2015-08-12 16:40 ` [Qemu-devel] [PATCH 04/10] exec-all: remove non-TCG stuff from exec-all.h header Paolo Bonzini
2015-08-28 14:53   ` Peter Maydell
2015-08-29  6:55     ` Paolo Bonzini
2015-08-12 16:40 ` Paolo Bonzini [this message]
2015-08-13 13:14   ` [Qemu-devel] [PATCH 05/10] cpu-exec: elide more icount code if CONFIG_USER_ONLY Frederic Konrad
2015-08-13 14:06     ` Paolo Bonzini
2015-08-28 14:56   ` Peter Maydell
2015-08-29  7:07     ` Paolo Bonzini
2015-08-12 16:40 ` [Qemu-devel] [PATCH 06/10] tcg: code_bitmap is not used by user-mode emulation Paolo Bonzini
2015-08-28 14:57   ` Peter Maydell
2015-08-29  7:13     ` Paolo Bonzini
2015-08-12 16:40 ` [Qemu-devel] [PATCH 07/10] tcg: comment on which functions have to be called with mmap_lock held Paolo Bonzini
2015-08-28 15:33   ` Peter Maydell
2015-08-29  6:57     ` Paolo Bonzini
2015-08-12 16:41 ` [Qemu-devel] [PATCH 08/10] tcg: add memory barriers in page_find_alloc accesses Paolo Bonzini
2015-08-12 20:37   ` Emilio G. Cota
2015-08-13  8:13     ` Paolo Bonzini
2015-08-13 19:50       ` Emilio G. Cota
2015-08-28 15:40   ` Peter Maydell
2015-08-29  6:58     ` Paolo Bonzini
2015-08-12 16:41 ` [Qemu-devel] [PATCH 09/10] exec: make mmap_lock/mmap_unlock globally available Paolo Bonzini
2015-08-28 15:42   ` Peter Maydell
2015-08-12 16:41 ` [Qemu-devel] [PATCH 10/10] cpu-exec: fix lock hierarchy for user-mode emulation Paolo Bonzini
2015-08-28 15:59   ` Peter Maydell
2015-08-12 16:41 ` [Qemu-devel] [PATCH 11/10] tcg: comment on which functions have to be called with tb_lock held Paolo Bonzini
2015-08-13 12:51   ` Frederic Konrad
2015-08-13 12:59     ` Paolo Bonzini
2015-08-13 13:32       ` Frederic Konrad
2015-08-13 14:39         ` Paolo Bonzini
2015-08-13 15:32           ` Peter Maydell
2015-08-13 16:20             ` Paolo Bonzini
2015-08-12 16:41 ` [Qemu-devel] [PATCH 12/10] tcg: protect TBContext with tb_lock Paolo Bonzini
2015-08-13 12:57   ` Frederic Konrad
2015-08-13 13:01     ` Paolo Bonzini
2015-08-13 13:04       ` Frederic Konrad
2015-08-14  9:26 ` [Qemu-devel] [PATCH 00/10] translate-all.c thread-safety Frederic Konrad

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