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From: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
To: Roland McGrath <roland@redhat.com>
Cc: mingo@elte.hu, tglx@linutronix.de, "Siddha,
	Suresh B" <suresh.b.siddha@intel.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH x86/mm] x86: i387 fpregs_set convert_to_fxsr
Date: Fri, 25 Jan 2008 10:04:06 -0800	[thread overview]
Message-ID: <20080125180406.GB5342@linux-os.sc.intel.com> (raw)
In-Reply-To: <20080125015933.587DF26F9FD@magilla.localdomain>

On Thu, Jan 24, 2008 at 05:59:33PM -0800, Roland McGrath wrote:
> +	if (pos > 0 || count < sizeof(env))
> +		convert_from_fxsr(&env, target);

Well, is the generic regset code enforce the need for this now? Can we
disallow the usage cases where the user passes smaller target buffer
size or requests data from in between. We were disallowing such usage
scenarios before, isn't it?

thanks,
suresh

  reply	other threads:[~2008-01-25 18:05 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-25  1:40 [patch] x86, i387: use convert_to_fxsr() in fpregs_set() Siddha, Suresh B
2008-01-25  1:59 ` [PATCH x86/mm] x86: i387 fpregs_set convert_to_fxsr Roland McGrath
2008-01-25 18:04   ` Siddha, Suresh B [this message]
2008-01-25 20:38     ` Roland McGrath
2008-01-25 10:49 ` [patch] x86, i387: use convert_to_fxsr() in fpregs_set() Ingo Molnar

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