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From: "Andreas Färber" <afaerber@suse.de>
To: qemu-devel@nongnu.org
Cc: "Andreas Färber" <afaerber@suse.de>,
	"Richard Henderson" <rth@twiddle.net>
Subject: [Qemu-devel] [PULL 02/10] cputlb: Tidy memset() of arrays
Date: Tue, 24 Dec 2013 13:58:53 +0100	[thread overview]
Message-ID: <1387889941-9896-3-git-send-email-afaerber@suse.de> (raw)
In-Reply-To: <1387889941-9896-1-git-send-email-afaerber@suse.de>

From: Richard Henderson <rth@twiddle.net>

Don't duplicate the array length computation in the memset()
when plain sizeof() can produce the correct results.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 cputlb.c        | 2 +-
 translate-all.c | 5 ++---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/cputlb.c b/cputlb.c
index d2da404..9270055 100644
--- a/cputlb.c
+++ b/cputlb.c
@@ -57,7 +57,7 @@ void tlb_flush(CPUArchState *env, int flush_global)
     cpu->current_tb = NULL;
 
     memset(env->tlb_table, -1, sizeof(env->tlb_table));
-    memset(env->tb_jmp_cache, 0, TB_JMP_CACHE_SIZE * sizeof (void *));
+    memset(env->tb_jmp_cache, 0, sizeof(env->tb_jmp_cache));
 
     env->tlb_flush_addr = -1;
     env->tlb_flush_mask = 0;
diff --git a/translate-all.c b/translate-all.c
index 1c63d78..105c25a 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -703,11 +703,10 @@ void tb_flush(CPUArchState *env1)
     CPU_FOREACH(cpu) {
         CPUArchState *env = cpu->env_ptr;
 
-        memset(env->tb_jmp_cache, 0, TB_JMP_CACHE_SIZE * sizeof(void *));
+        memset(env->tb_jmp_cache, 0, sizeof(env->tb_jmp_cache));
     }
 
-    memset(tcg_ctx.tb_ctx.tb_phys_hash, 0,
-            CODE_GEN_PHYS_HASH_SIZE * sizeof(void *));
+    memset(tcg_ctx.tb_ctx.tb_phys_hash, 0, sizeof(tcg_ctx.tb_ctx.tb_phys_hash));
     page_flush_tb();
 
     tcg_ctx.code_gen_ptr = tcg_ctx.code_gen_buffer;
-- 
1.8.4

  parent reply	other threads:[~2013-12-24 12:59 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-24 12:58 [Qemu-devel] [PULL 00/10] QOM CPUState patch queue 2013-12-24 Andreas Färber
2013-12-24 12:58 ` [Qemu-devel] [PULL 01/10] cputlb: Use memset() when flushing entries Andreas Färber
2013-12-24 12:58 ` Andreas Färber [this message]
2013-12-24 12:58 ` [Qemu-devel] [PULL 03/10] target-i386: Move apic_state field from CPUX86State to X86CPU Andreas Färber
2013-12-24 12:58 ` [Qemu-devel] [PULL 04/10] cpu-exec: Optimize X86CPU usage in cpu_exec() Andreas Färber
2013-12-24 12:58 ` [Qemu-devel] [PULL 05/10] target-i386: Convert 'hv_relaxed' to static property Andreas Färber
2013-12-24 12:58 ` [Qemu-devel] [PULL 06/10] target-i386: Convert 'hv_vapic' " Andreas Färber
2013-12-24 12:58 ` [Qemu-devel] [PULL 07/10] target-i386: Convert 'hv_spinlocks' " Andreas Färber
2013-12-24 12:58 ` [Qemu-devel] [PULL 08/10] target-i386: Convert 'check' and 'enforce' to static properties Andreas Färber
2013-12-24 12:59 ` [Qemu-devel] [PULL 09/10] target-i386: Cleanup 'foo' feature handling Andreas Färber
2013-12-24 12:59 ` [Qemu-devel] [PULL 10/10] target-i386: Cleanup 'foo=val' " Andreas Färber

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