From ea30c6703055ea2ef4584c32df8d30a41b945bdf Mon Sep 17 00:00:00 2001 From: Yury Khrustalev Date: Tue, 27 May 2025 11:10:12 +0100 Subject: [PATCH] manual: mention PKEY_UNRESTRICTED macro in the manual Also use this macro in one of the examples. Reviewed-by: Florian Weimer --- manual/memory.texi | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/manual/memory.texi b/manual/memory.texi index 9a29c7d133..46f76c17ca 100644 --- a/manual/memory.texi +++ b/manual/memory.texi @@ -3139,7 +3139,7 @@ used to temporarily acquire access to the memory region and relinquish it again: @smallexample - if (key >= 0 && pkey_set (key, 0) < 0) + if (key >= 0 && pkey_set (key, PKEY_UNRESTRICTED) < 0) ...; /* Perform error checking (generally fatal). */ /* At this point, the current thread has read-write access to the memory region. */ @@ -3256,9 +3256,9 @@ not @math{-1}. @safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}} Change the access restrictions of the current thread for memory pages with the protection key @var{key} to @var{access_restrictions}. If -@var{access_restrictions} is zero, no additional access restrictions on top of -the page protection flags are applied. Otherwise, @var{access_restrictions} is -a combination of the following flags: +@var{access_restrictions} is @code{PKEY_UNRESTRICTED} (zero), no additional +access restrictions on top of the page protection flags are applied. Otherwise, +@var{access_restrictions} is a combination of the following flags: @vtable @code @item PKEY_DISABLE_READ -- 2.47.2