From: Sergey Fedorov <sergey.fedorov@linaro.org>
To: qemu-devel@nongnu.org
Cc: "Alex Bennée" <alex.bennee@linaro.org>,
"Sergey Fedorov" <serge.fdrv@gmail.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Peter Crosthwaite" <crosthwaite.peter@gmail.com>,
"Richard Henderson" <rth@twiddle.net>,
"Sergey Fedorov" <sergey.fedorov@linaro.org>
Subject: [Qemu-devel] [PATCH v2 11/11] tcg: Note requirement on atomic direct jump patching
Date: Fri, 22 Apr 2016 19:08:53 +0300 [thread overview]
Message-ID: <1461341333-19646-12-git-send-email-sergey.fedorov@linaro.org> (raw)
In-Reply-To: <1461341333-19646-1-git-send-email-sergey.fedorov@linaro.org>
From: Sergey Fedorov <serge.fdrv@gmail.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>
---
Changes in v2:
* Minor rewording
include/exec/exec-all.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 6a054ee720a8..67adcf137f8b 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -229,6 +229,7 @@ static inline void tlb_flush_by_mmuidx(CPUState *cpu, ...)
|| defined(__sparc__) || defined(__aarch64__) \
|| defined(__s390x__) || defined(__mips__) \
|| defined(CONFIG_TCG_INTERPRETER)
+/* NOTE: Direct jump patching must be atomic to be thread-safe. */
#define USE_DIRECT_JUMP
#endif
--
2.8.1
next prev parent reply other threads:[~2016-04-22 16:09 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-22 16:08 [Qemu-devel] [PATCH v2 00/11] tcg: Make direct jump patching thread-safe Sergey Fedorov
2016-04-22 16:08 ` [Qemu-devel] [PATCH v2 01/11] include/qemu/osdep.h: Add a macro to check for alignment Sergey Fedorov
2016-04-22 16:08 ` [Qemu-devel] [PATCH v2 02/11] include/qemu/osdep.h: Add macros for pointer alignment Sergey Fedorov
2016-04-22 16:08 ` [Qemu-devel] [PATCH v2 03/11] tci: Make direct jump patching thread-safe Sergey Fedorov
2016-04-22 16:08 ` [Qemu-devel] [PATCH v2 04/11] tcg/ppc: " Sergey Fedorov
2016-04-22 16:08 ` [Qemu-devel] [PATCH v2 05/11] tcg/i386: " Sergey Fedorov
2016-04-22 16:08 ` [Qemu-devel] [PATCH v2 06/11] tcg/s390: " Sergey Fedorov
2016-04-22 16:08 ` [Qemu-devel] [PATCH v2 07/11] tcg/arm: " Sergey Fedorov
2016-04-22 16:08 ` [Qemu-devel] [PATCH v2 08/11] tcg/aarch64: " Sergey Fedorov
2016-04-22 16:08 ` [Qemu-devel] [PATCH v2 09/11] tcg/sparc: " Sergey Fedorov
2016-04-22 16:08 ` [Qemu-devel] [PATCH v2 10/11] tcg/mips: " Sergey Fedorov
2016-04-22 16:47 ` Aurelien Jarno
2016-04-22 16:51 ` Aurelien Jarno
2016-04-22 17:00 ` Sergey Fedorov
2016-04-22 18:27 ` Aurelien Jarno
2016-04-22 16:56 ` Sergey Fedorov
2016-04-22 16:08 ` Sergey Fedorov [this message]
2016-04-24 21:36 ` [Qemu-devel] [PATCH v2 00/11] tcg: " Richard Henderson
2016-04-25 9:44 ` Sergey Fedorov
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