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From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"hjl.tools@gmail.com" <hjl.tools@gmail.com>
Cc: "x86@kernel.org" <x86@kernel.org>
Subject: Re: [PATCH] x86/shstk: Enable shadow stack for x32
Date: Fri, 15 Mar 2024 14:20:19 +0000	[thread overview]
Message-ID: <5f0620c55a01d6a195154783a477ec295cbb4b1c.camel@intel.com> (raw)
In-Reply-To: <20240315140433.1966543-1-hjl.tools@gmail.com>

On Fri, 2024-03-15 at 07:04 -0700, H.J. Lu wrote:
> 1. Add shadow stack support to x32 signal.
> 2. Use the 64-bit map_shadow_stack syscall for x32.
> 3. Set up shadow stack for x32.
> 
> Tested with shadow stack enabled x32 glibc on Intel Tiger Lake.
> 
> Cc: Rick P Edgecombe <rick.p.edgecombe@intel.com>
> Tested-by: H.J. Lu <hjl.tools@gmail.com>
> Signed-off-by: H.J. Lu <hjl.tools@gmail.com>

How many people do you think will use this?

I would have thought it would require more changes for basic x32
operation. What was the testing exactly?

  reply	other threads:[~2024-03-15 14:20 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-15 14:04 H.J. Lu
2024-03-15 14:20 ` Edgecombe, Rick P [this message]
2024-03-15 14:34   ` H.J. Lu
2024-03-22 14:07     ` Edgecombe, Rick P
2024-03-22 14:28       ` Edgecombe, Rick P
2024-03-22 15:06       ` H.J. Lu
2024-03-22 15:58         ` Edgecombe, Rick P
2024-03-22 16:07           ` H.J. Lu
2024-03-22 16:21             ` Edgecombe, Rick P
2024-03-22 16:35               ` H.J. Lu
2024-03-22 10:59 ` [tip: x86/shstk] x86/shstk: Enable shadow stacks " tip-bot2 for H.J. Lu
2024-03-22 16:49   ` Borislav Petkov
2024-03-22 16:49 ` [PATCH] x86/shstk: Enable shadow stack " Dave Hansen
2024-03-22 16:52   ` H.J. Lu
2024-03-22 16:56     ` Dave Hansen
2024-03-22 17:00       ` H.J. Lu

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