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From: Nick Hu <nickhu@andestech.com>
To: <alankao@andestech.com>, <paul.walmsley@sifive.com>,
	<palmer@sifive.com>, <aou@eecs.berkeley.edu>,
	<aryabinin@virtuozzo.com>, <glider@google.com>,
	<dvyukov@google.com>, <corbet@lwn.net>,
	<alexios.zavras@intel.com>, <allison@lohutok.net>,
	<Anup.Patel@wdc.com>, <tglx@linutronix.de>,
	<gregkh@linuxfoundation.org>, <atish.patra@wdc.com>,
	<kstewart@linuxfoundation.org>, <linux-doc@vger.kernel.org>,
	<linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
	<kasan-dev@googlegroups.com>, <linux-mm@kvack.org>
Cc: Nick Hu <nickhu@andestech.com>
Subject: [PATCH v3 1/3] kasan: Archs don't check memmove if not support it.
Date: Tue, 8 Oct 2019 14:11:51 +0800	[thread overview]
Message-ID: <c9fa9eb25a5c0b1f733494dfd439f056c6e938fd.1570514544.git.nickhu@andestech.com> (raw)
In-Reply-To: <cover.1570514544.git.nickhu@andestech.com>

Skip the memmove checking for those archs who don't support it.

Signed-off-by: Nick Hu <nickhu@andestech.com>
---
 mm/kasan/common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index 6814d6d6a023..897f9520bab3 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -107,6 +107,7 @@ void *memset(void *addr, int c, size_t len)
 	return __memset(addr, c, len);
 }
 
+#ifdef __HAVE_ARCH_MEMMOVE
 #undef memmove
 void *memmove(void *dest, const void *src, size_t len)
 {
@@ -115,6 +116,7 @@ void *memmove(void *dest, const void *src, size_t len)
 
 	return __memmove(dest, src, len);
 }
+#endif
 
 #undef memcpy
 void *memcpy(void *dest, const void *src, size_t len)
-- 
2.17.0


WARNING: multiple messages have this Message-ID (diff)
From: Nick Hu <nickhu@andestech.com>
To: <alankao@andestech.com>, <paul.walmsley@sifive.com>,
	<palmer@sifive.com>,  <aou@eecs.berkeley.edu>,
	<aryabinin@virtuozzo.com>, <glider@google.com>,
	<dvyukov@google.com>, <corbet@lwn.net>,
	<alexios.zavras@intel.com>, <allison@lohutok.net>,
	<Anup.Patel@wdc.com>, <tglx@linutronix.de>,
	<gregkh@linuxfoundation.org>, <atish.patra@wdc.com>,
	<kstewart@linuxfoundation.org>, <linux-doc@vger.kernel.org>,
	<linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
	<kasan-dev@googlegroups.com>, <linux-mm@kvack.org>
Cc: Nick Hu <nickhu@andestech.com>
Subject: [PATCH v3 1/3] kasan: Archs don't check memmove if not support it.
Date: Tue, 8 Oct 2019 14:11:51 +0800	[thread overview]
Message-ID: <c9fa9eb25a5c0b1f733494dfd439f056c6e938fd.1570514544.git.nickhu@andestech.com> (raw)
In-Reply-To: <cover.1570514544.git.nickhu@andestech.com>

Skip the memmove checking for those archs who don't support it.

Signed-off-by: Nick Hu <nickhu@andestech.com>
---
 mm/kasan/common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index 6814d6d6a023..897f9520bab3 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -107,6 +107,7 @@ void *memset(void *addr, int c, size_t len)
 	return __memset(addr, c, len);
 }
 
+#ifdef __HAVE_ARCH_MEMMOVE
 #undef memmove
 void *memmove(void *dest, const void *src, size_t len)
 {
@@ -115,6 +116,7 @@ void *memmove(void *dest, const void *src, size_t len)
 
 	return __memmove(dest, src, len);
 }
+#endif
 
 #undef memcpy
 void *memcpy(void *dest, const void *src, size_t len)
-- 
2.17.0


_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

  reply	other threads:[~2019-10-08  6:13 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-08  6:11 [PATCH v3 0/3] KASAN support for RISC-V Nick Hu
2019-10-08  6:11 ` Nick Hu
2019-10-08  6:11 ` Nick Hu [this message]
2019-10-08  6:11   ` [PATCH v3 1/3] kasan: Archs don't check memmove if not support it Nick Hu
2019-10-16 19:23   ` Palmer Dabbelt
2019-10-16 19:23     ` Palmer Dabbelt
2019-10-17 10:39   ` Andrey Ryabinin
2019-10-17 10:39     ` Andrey Ryabinin
2019-10-18  2:58     ` Paul Walmsley
2019-10-18  2:58       ` Paul Walmsley
2019-10-18  2:58       ` Paul Walmsley
2019-10-22  2:09       ` Nick Hu
2019-10-22  2:09         ` Nick Hu
2019-10-08  6:11 ` [PATCH v3 2/3] riscv: Add KASAN support Nick Hu
2019-10-08  6:11   ` Nick Hu
2019-10-21  9:33   ` Greentime Hu
2019-10-21  9:33     ` Greentime Hu
2019-10-21  9:33     ` Greentime Hu
2019-10-22  3:30     ` Nick Hu
2019-10-22  3:30       ` Nick Hu
2019-10-08  6:11 ` [PATCH v3 3/3] kasan: Add riscv to KASAN documentation Nick Hu
2019-10-08  6:11   ` Nick Hu

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