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Date:   Thu, 4 Feb 2021 23:46:36 +0300
From:   Cyrill Gorcunov <gorcunov@gmail.com>
To:     Yu-cheng Yu <yu-cheng.yu@intel.com>
Cc:     x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
        Thomas Gleixner <tglx@linutronix.de>,
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        linux-arch@vger.kernel.org, linux-api@vger.kernel.org,
        Arnd Bergmann <arnd@arndb.de>,
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        Balbir Singh <bsingharora@gmail.com>,
        Borislav Petkov <bp@alien8.de>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Eugene Syromiatnikov <esyr@redhat.com>,
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        Mike Kravetz <mike.kravetz@oracle.com>,
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        Oleg Nesterov <oleg@redhat.com>, Pavel Machek <pavel@ucw.cz>,
        Peter Zijlstra <peterz@infradead.org>,
        Randy Dunlap <rdunlap@infradead.org>,
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        Vedvyas Shanbhogue <vedvyas.shanbhogue@intel.com>,
        Dave Martin <Dave.Martin@arm.com>,
        Weijiang Yang <weijiang.yang@intel.com>,
        Pengfei Xu <pengfei.xu@intel.com>
Subject: Re: [PATCH v19 12/25] mm: Introduce VM_SHSTK for shadow stack memory
Message-ID: <20210204204636.GH2172@grain>
References: <20210203225547.32221-1-yu-cheng.yu@intel.com>
 <20210203225547.32221-13-yu-cheng.yu@intel.com>
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On Wed, Feb 03, 2021 at 02:55:34PM -0800, Yu-cheng Yu wrote:
>  
> diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
> index 602e3a52884d..59623dcd92bb 100644
> --- a/fs/proc/task_mmu.c
> +++ b/fs/proc/task_mmu.c
> @@ -661,6 +661,9 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma)
>  		[ilog2(VM_PKEY_BIT4)]	= "",
>  #endif
>  #endif /* CONFIG_ARCH_HAS_PKEYS */
> +#ifdef CONFIG_X86_CET
> +		[ilog2(VM_SHSTK)]	= "ss",
> +#endif
>  	};

IIRC we've these abbreviations explained in documentaion
(proc.rst file). Could you please update it once time
permit? I think it can be done on top of the series.