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Subject: Re: [PATCH v11 25/25] x86/cet/shstk: Add arch_prctl functions for
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To:     Dave Hansen <dave.hansen@intel.com>,
        Andy Lutomirski <luto@kernel.org>
Cc:     X86 ML <x86@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
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        Ingo Molnar <mingo@redhat.com>,
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        Linux-MM <linux-mm@kvack.org>,
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        Linux API <linux-api@vger.kernel.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Balbir Singh <bsingharora@gmail.com>,
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        Cyrill Gorcunov <gorcunov@gmail.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
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        Vedvyas Shanbhogue <vedvyas.shanbhogue@intel.com>,
        Dave Martin <Dave.Martin@arm.com>,
        Weijiang Yang <weijiang.yang@intel.com>
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From:   "Yu, Yu-cheng" <yu-cheng.yu@intel.com>
Message-ID: <ef7f9e24-f952-d78c-373e-85435f742688@intel.com>
Date:   Tue, 25 Aug 2020 16:34:27 -0700
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On 8/25/2020 4:20 PM, Dave Hansen wrote:
> On 8/25/20 2:04 PM, Yu, Yu-cheng wrote:
>>>> I think this is more arch-specific.  Even if it becomes a new syscall,
>>>> we still need to pass the same parameters.
>>>
>>> Right, but without the copying in and out of memory.
>>>
>> Linux-api is already on the Cc list.  Do we need to add more people to
>> get some agreements for the syscall?
> What kind of agreement are you looking for?  I'd suggest just coding it
> up and posting the patches.  Adding syscalls really is really pretty
> straightforward and isn't much code at all.
> 

Sure, I will do that.

Thanks,
Yu-cheng