From: Borislav Petkov <bp@alien8.de>
To: Toshi Kani <toshi.kani@hp.com>
Cc: akpm@linux-foundation.org, hpa@zytor.com, tglx@linutronix.de,
mingo@redhat.com, linux-mm@kvack.org, x86@kernel.org,
linux-kernel@vger.kernel.org, dave.hansen@intel.com,
Elliott@hp.com, pebolle@tiscali.nl
Subject: Re: [PATCH v4 3/7] mtrr, x86: Remove a wrong address check in __mtrr_type_lookup()
Date: Wed, 6 May 2015 12:46:09 +0200 [thread overview]
Message-ID: <20150506104609.GC22949@pd.tnic> (raw)
In-Reply-To: <1427234921-19737-4-git-send-email-toshi.kani@hp.com>
On Tue, Mar 24, 2015 at 04:08:37PM -0600, Toshi Kani wrote:
> __mtrr_type_lookup() checks MTRR fixed ranges when
> mtrr_state.have_fixed is set and start is less than
> 0x100000. However, the 'else if (start < 0x1000000)'
> in the code checks with a wrong address as it has
> an extra-zero in the address. The code still runs
> correctly as this check is meaningless, though.
>
> This patch replaces the wrong address check with 'else'
> with no condition.
>
> Signed-off-by: Toshi Kani <toshi.kani@hp.com>
> ---
> arch/x86/kernel/cpu/mtrr/generic.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied, thanks.
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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next prev parent reply other threads:[~2015-05-06 10:46 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-24 22:08 [PATCH v4 0/7] mtrr, mm, x86: Enhance MTRR checks for huge I/O mapping Toshi Kani
2015-03-24 22:08 ` [PATCH v4 1/7] mm, x86: Document return values of mapping funcs Toshi Kani
2015-05-05 11:19 ` Borislav Petkov
2015-05-05 13:46 ` Toshi Kani
2015-05-05 14:19 ` Borislav Petkov
2015-05-05 14:14 ` Toshi Kani
2015-03-24 22:08 ` [PATCH v4 2/7] mtrr, x86: Fix MTRR lookup to handle inclusive entry Toshi Kani
2015-05-05 17:11 ` Borislav Petkov
2015-05-05 17:32 ` Toshi Kani
2015-05-05 18:39 ` Borislav Petkov
2015-05-05 19:31 ` Toshi Kani
2015-05-05 20:09 ` Borislav Petkov
2015-05-05 20:06 ` Toshi Kani
2015-03-24 22:08 ` [PATCH v4 3/7] mtrr, x86: Remove a wrong address check in __mtrr_type_lookup() Toshi Kani
2015-05-06 10:46 ` Borislav Petkov [this message]
[not found] ` <1431332153-18566-8-git-send-email-bp@alien8.de>
2015-05-11 12:46 ` [tip:x86/mm] x86/mm/mtrr: Remove incorrect " tip-bot for Toshi Kani
2015-03-24 22:08 ` [PATCH v4 4/7] mtrr, x86: Fix MTRR state checks in mtrr_type_lookup() Toshi Kani
2015-05-06 11:47 ` Borislav Petkov
2015-05-06 15:23 ` Toshi Kani
2015-05-06 22:39 ` Borislav Petkov
2015-05-06 23:08 ` Toshi Kani
2015-03-24 22:08 ` [PATCH v4 5/7] mtrr, x86: Define MTRR_TYPE_INVALID for mtrr_type_lookup() Toshi Kani
2015-03-24 22:08 ` [PATCH v4 6/7] mtrr, x86: Clean up mtrr_type_lookup() Toshi Kani
2015-05-06 13:41 ` Borislav Petkov
2015-05-06 16:00 ` Toshi Kani
2015-05-06 22:49 ` Borislav Petkov
2015-05-06 23:42 ` Toshi Kani
2015-05-07 7:52 ` Borislav Petkov
2015-05-07 13:45 ` Toshi Kani
2015-03-24 22:08 ` [PATCH v4 7/7] mtrr, mm, x86: Enhance MTRR checks for KVA huge page mapping Toshi Kani
2015-05-09 9:08 ` Borislav Petkov
2015-05-11 19:25 ` Toshi Kani
2015-05-11 20:18 ` Borislav Petkov
2015-05-11 20:38 ` Toshi Kani
2015-05-11 21:42 ` Borislav Petkov
2015-05-11 22:09 ` Toshi Kani
2015-05-12 7:28 ` Borislav Petkov
2015-05-12 14:30 ` Toshi Kani
2015-05-12 16:31 ` Borislav Petkov
2015-05-12 16:57 ` Toshi Kani
2015-03-24 22:43 ` [PATCH v4 0/7] mtrr, mm, x86: Enhance MTRR checks for huge I/O mapping Andrew Morton
2015-04-03 6:33 ` Ingo Molnar
2015-04-03 15:22 ` Toshi Kani
2015-04-27 14:31 ` Toshi Kani
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