From: Rene Herman <rene.herman@keyaccess.nl>
To: jidong xiao <jidong.xiao@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Question about set_intr_gate_ist()
Date: Mon, 21 Jan 2008 15:36:16 +0100 [thread overview]
Message-ID: <4794ADE0.7070203@keyaccess.nl> (raw)
In-Reply-To: <4104961b0801202223w1d739365s2bd0ce552a22da19@mail.gmail.com>
On 21-01-08 07:23, jidong xiao wrote:
> I know there is set_intr_gate(n,addr) which is used to insert an
> interrupt gate in the n th IDT entry. But I don't know what the usage
> of set_intr_gate_ist()?
The same, while setting the "Interrupt STack" field of the descriptor to
"ist". This field is a 64-bit only field, implementing a hardware stack
switch. Look for it in the AMD64 docs.
Rene.
prev parent reply other threads:[~2008-01-21 14:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-21 6:23 Question about set_intr_gate_ist() jidong xiao
2008-01-21 14:36 ` Rene Herman [this message]
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