diff options
Diffstat (limited to '0038-x86-mm-fix-detection-of-last-L1-entry-in-modify_xen_.patch')
| -rw-r--r-- | 0038-x86-mm-fix-detection-of-last-L1-entry-in-modify_xen_.patch | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/0038-x86-mm-fix-detection-of-last-L1-entry-in-modify_xen_.patch b/0038-x86-mm-fix-detection-of-last-L1-entry-in-modify_xen_.patch deleted file mode 100644 index 66b4db3..0000000 --- a/0038-x86-mm-fix-detection-of-last-L1-entry-in-modify_xen_.patch +++ /dev/null @@ -1,41 +0,0 @@ -From 1f94117bec55a7b934fed3dfd3529db624eb441f Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= <roger.pau@citrix.com> -Date: Tue, 12 Mar 2024 12:08:59 +0100 -Subject: [PATCH 38/67] x86/mm: fix detection of last L1 entry in - modify_xen_mappings_lite() -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -The current logic to detect when to switch to the next L1 table is incorrectly -using l2_table_offset() in order to notice when the last entry on the current -L1 table has been reached. - -It should instead use l1_table_offset() to check whether the index has wrapped -to point to the first entry, and so the next L1 table should be used. - -Fixes: 8676092a0f16 ('x86/livepatch: Fix livepatch application when CET is active') -Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> -Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com> -master commit: 7c81558208de7858251b62f168a449be84305595 -master date: 2024-03-11 11:09:42 +0000 ---- - xen/arch/x86/mm.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c -index e884a6fdbd..330c4abcd1 100644 ---- a/xen/arch/x86/mm.c -+++ b/xen/arch/x86/mm.c -@@ -5963,7 +5963,7 @@ void init_or_livepatch modify_xen_mappings_lite( - - v += 1UL << L1_PAGETABLE_SHIFT; - -- if ( l2_table_offset(v) == 0 ) -+ if ( l1_table_offset(v) == 0 ) - break; - } - --- -2.44.0 - |