From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, "David S. Miller" <davem@davemloft.net>
Subject: [PATCH 3.4 17/23] sparc64: Add membar to Niagara2 memcpy code.
Date: Fri, 8 Aug 2014 14:35:02 -0700 [thread overview]
Message-ID: <20140808213316.503071021@linuxfoundation.org> (raw)
In-Reply-To: <20140808213315.769217722@linuxfoundation.org>
3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: "David S. Miller" <davem@davemloft.net>
[ Upstream commit 5aa4ecfd0ddb1e6dcd1c886e6c49677550f581aa ]
This is the prevent previous stores from overlapping the block stores
done by the memcpy loop.
Based upon a glibc patch by Jose E. Marchesi
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/sparc/lib/NG2memcpy.S | 1 +
1 file changed, 1 insertion(+)
--- a/arch/sparc/lib/NG2memcpy.S
+++ b/arch/sparc/lib/NG2memcpy.S
@@ -236,6 +236,7 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len
*/
VISEntryHalf
+ membar #Sync
alignaddr %o1, %g0, %g0
add %o1, (64 - 1), %o4
next prev parent reply other threads:[~2014-08-08 22:11 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-08 21:34 [PATCH 3.4 00/23] 3.4.103-stable review Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 01/23] inetpeer: get rid of ip_id_count Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 02/23] ip: make IP identifiers less predictable Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 03/23] net: sendmsg: fix NULL pointer dereference Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 04/23] tcp: Fix integer-overflows in TCP veno Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 05/23] tcp: Fix integer-overflow in TCP vegas Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 06/23] net: sctp: inherit auth_capable on INIT collisions Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 07/23] macvlan: Initialize vlan_features to turn on offload support Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 08/23] net: Correctly set segment mac_len in skb_segment() Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 09/23] iovec: make sure the caller actually wants anything in memcpy_fromiovecend Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 10/23] sctp: fix possible seqlock seadlock in sctp_packet_transmit() Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 11/23] sparc64: Fix argument sign extension for compat_sys_futex() Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 12/23] sparc64: Make itc_sync_lock raw Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 13/23] sparc64: Handle 32-bit tasks properly in compute_effective_address() Greg Kroah-Hartman
2014-08-08 21:34 ` [PATCH 3.4 14/23] sparc64: Fix top-level fault handling bugs Greg Kroah-Hartman
2014-08-08 21:35 ` [PATCH 3.4 15/23] sparc64: Dont bark so loudly about 32-bit tasks generating 64-bit fault addresses Greg Kroah-Hartman
2014-08-08 21:35 ` [PATCH 3.4 16/23] sparc64: Fix huge TSB mapping on pre-UltraSPARC-III cpus Greg Kroah-Hartman
2014-08-08 21:35 ` Greg Kroah-Hartman [this message]
2014-08-08 21:35 ` [PATCH 3.4 18/23] sparc64: Do not insert non-valid PTEs into the TSB hash table Greg Kroah-Hartman
2014-08-08 21:35 ` [PATCH 3.4 19/23] sparc64: Guard against flushing openfirmware mappings Greg Kroah-Hartman
2014-08-08 21:35 ` [PATCH 3.4 20/23] bbc-i2c: Fix BBC I2C envctrl on SunBlade 2000 Greg Kroah-Hartman
2014-08-08 21:35 ` [PATCH 3.4 21/23] sunsab: Fix detection of BREAK on sunsab serial console Greg Kroah-Hartman
2014-08-08 21:35 ` [PATCH 3.4 22/23] sparc64: ldc_connect() should not return EINVAL when handshake is in progress Greg Kroah-Hartman
2014-08-08 21:35 ` [PATCH 3.4 23/23] arch/sparc/math-emu/math_32.c: drop stray break operator Greg Kroah-Hartman
2014-08-09 1:01 ` [PATCH 3.4 00/23] 3.4.103-stable review Guenter Roeck
2014-08-09 14:40 ` Shuah Khan
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