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From: Akinobu Mita <akinobu.mita@gmail.com>
To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org
Cc: Akinobu Mita <akinobu.mita@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	x86@kernel.org
Subject: [PATCH 03/29] x86: pageattr-test: remove srandom32 call
Date: Mon, 24 Dec 2012 11:13:50 +0900	[thread overview]
Message-ID: <1356315256-6572-4-git-send-email-akinobu.mita@gmail.com> (raw)
In-Reply-To: <1356315256-6572-1-git-send-email-akinobu.mita@gmail.com>

pageattr-test calls srandom32() once every test iteration.
But calling srandom32() after late_initcalls is not meaningfull.
Because the random states for random32() is mixed by good random numbers
in late_initcall prandom_reseed().

So this removes the call to srandom32().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
---
 arch/x86/mm/pageattr-test.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
index b008656..8b8c381 100644
--- a/arch/x86/mm/pageattr-test.c
+++ b/arch/x86/mm/pageattr-test.c
@@ -130,7 +130,6 @@ static int pageattr_test(void)
 	}
 
 	failed += print_split(&sa);
-	srandom32(100);
 
 	for (i = 0; i < NTEST; i++) {
 		unsigned long pfn = random32() % max_pfn_mapped;
-- 
1.7.11.7


  parent reply	other threads:[~2012-12-24  2:20 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-24  2:13 [PATCH 00/29] rename random32 and net_random to prandom Akinobu Mita
2012-12-24  2:13 ` [PATCH 01/29] raid6test: use prandom_bytes() Akinobu Mita
2012-12-24  2:13 ` [PATCH 02/29] uuid: " Akinobu Mita
2012-12-24  2:13 ` Akinobu Mita [this message]
2012-12-24  2:13 ` [PATCH 04/29] x86: rename random32() to prandom_u32() Akinobu Mita
2012-12-24  2:13 ` [PATCH 05/29] lib/: " Akinobu Mita
2012-12-24  2:13 ` [PATCH 06/29] mm/: " Akinobu Mita
2012-12-24  2:13 ` [PATCH 07/29] kernel/: " Akinobu Mita
2012-12-24  2:13 ` [PATCH 08/29] drbd: " Akinobu Mita
2012-12-24  2:13 ` [PATCH 09/29] infiniband: rename random32() and net_random() " Akinobu Mita
2012-12-24  2:13 ` [PATCH 10/29] mmc: rename random32() " Akinobu Mita
2012-12-24  2:13 ` [PATCH 11/29] video/uvesafb: " Akinobu Mita
2012-12-24  2:13 ` [PATCH 12/29] xfs: " Akinobu Mita
2012-12-24  2:14 ` [PATCH 13/29] ubifs: " Akinobu Mita
2012-12-24  2:14 ` [PATCH 14/29] uwb: " Akinobu Mita
2012-12-24  2:14 ` [PATCH 15/29] lguest: " Akinobu Mita
2012-12-24  2:14 ` [PATCH 16/29] scsi: " Akinobu Mita
2012-12-24  2:14 ` [PATCH 17/29] mtd: " Akinobu Mita
2012-12-24  2:14 ` [PATCH 18/29] drivers/net: " Akinobu Mita
2012-12-24  2:14 ` [PATCH 19/29] batman-adv: fix random jitter calculation Akinobu Mita
2012-12-25 11:26   ` Antonio Quartulli
2012-12-25 21:35     ` Akinobu Mita
2012-12-25 21:37       ` David Miller
2012-12-24  2:14 ` [PATCH 20/29] batman-adv: rename random32() to prandom_u32() Akinobu Mita
2012-12-25 11:30   ` Antonio Quartulli
2013-01-02 11:52     ` [B.A.T.M.A.N.] " Marek Lindner
2012-12-24  2:14 ` [PATCH 21/29] net/sunrpc: rename random32() and net_random() " Akinobu Mita
2012-12-24  2:14 ` [PATCH 22/29] net/sched: " Akinobu Mita
2012-12-24  2:14 ` [PATCH 23/29] net/ipv4: rename " Akinobu Mita
2012-12-24  2:14 ` [PATCH 24/29] net/ipv6: " Akinobu Mita
2012-12-24  2:14 ` [PATCH 25/29] net/netfilter: rename random32() and " Akinobu Mita
2012-12-24  2:14 ` [PATCH 26/29] net/core: " Akinobu Mita
2012-12-24  2:14 ` [PATCH 27/29] net/core: remove duplicate statements by do-while loop Akinobu Mita
2012-12-24  2:14 ` [PATCH 28/29] net/: rename net_random() to prandom_u32() Akinobu Mita
2012-12-25  0:21   ` Neil Horman
2012-12-25 11:47     ` Akinobu Mita
2012-12-26  0:42       ` Neil Horman
2012-12-24  2:14 ` [PATCH 29/29] remove unused net_random(), net_srandom(), random32(), and srandom32() Akinobu Mita

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