From: "H. Peter Anvin" <hpa@zytor.com>
To: Frantisek Hrbata <fhrbata@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
tglx@linutronix.de, mingo@redhat.com, x86@kernel.org,
oleg@redhat.com, kamaleshb@in.ibm.com, hechjie@cn.ibm.com,
akpm@linux-foundation.org, dave.hansen@intel.com
Subject: Re: [RESEND PATCH] x86: add phys addr validity check for /dev/mem mmap
Date: Wed, 02 Oct 2013 11:54:05 -0700 [thread overview]
Message-ID: <524C6BCD.2000007@zytor.com> (raw)
In-Reply-To: <20131002184803.GB2975@localhost.localdomain>
On 10/02/2013 11:48 AM, Frantisek Hrbata wrote:
>
> Ok, I can try to look into this. I just want to point out that some other archs
> like arm are doing it the same way. I simply replaced the generic check functions
> in drivers/char/mem.c with x86 specific ones.
>
I know. It is a longstanding problem.
-hpa
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WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Frantisek Hrbata <fhrbata@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
tglx@linutronix.de, mingo@redhat.com, x86@kernel.org,
oleg@redhat.com, kamaleshb@in.ibm.com, hechjie@cn.ibm.com,
akpm@linux-foundation.org, dave.hansen@intel.com
Subject: Re: [RESEND PATCH] x86: add phys addr validity check for /dev/mem mmap
Date: Wed, 02 Oct 2013 11:54:05 -0700 [thread overview]
Message-ID: <524C6BCD.2000007@zytor.com> (raw)
In-Reply-To: <20131002184803.GB2975@localhost.localdomain>
On 10/02/2013 11:48 AM, Frantisek Hrbata wrote:
>
> Ok, I can try to look into this. I just want to point out that some other archs
> like arm are doing it the same way. I simply replaced the generic check functions
> in drivers/char/mem.c with x86 specific ones.
>
I know. It is a longstanding problem.
-hpa
next prev parent reply other threads:[~2013-10-02 18:54 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-02 16:05 [RESEND PATCH] x86: add phys addr validity check for /dev/mem mmap Frantisek Hrbata
2013-10-02 16:05 ` Frantisek Hrbata
2013-10-02 17:46 ` H. Peter Anvin
2013-10-02 17:46 ` H. Peter Anvin
2013-10-02 18:31 ` Frantisek Hrbata
2013-10-02 18:31 ` Frantisek Hrbata
2013-10-02 18:36 ` H. Peter Anvin
2013-10-02 18:36 ` H. Peter Anvin
2013-10-02 18:48 ` Frantisek Hrbata
2013-10-02 18:48 ` Frantisek Hrbata
2013-10-02 18:54 ` H. Peter Anvin [this message]
2013-10-02 18:54 ` H. Peter Anvin
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