Re: [PATCH v19 12/25] mm: Introduce VM_SHSTK for shadow stack memory

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On 2/4/2021 12:46 PM, Cyrill Gorcunov wrote:
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.


I will add that.  Thanks!



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