This is a note to let you know that I've just added the patch titled
riscv: Mark KASAN tmp* page tables variables as static
to the 6.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
riscv-mark-kasan-tmp-page-tables-variables-as-static.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From dd7664d67b478afeb79a89e4586c2cd7707d17d6 Mon Sep 17 00:00:00 2001
From: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx>
Date: Tue, 4 Jul 2023 09:43:56 +0200
Subject: riscv: Mark KASAN tmp* page tables variables as static
From: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx>
commit dd7664d67b478afeb79a89e4586c2cd7707d17d6 upstream.
tmp_pg_dir, tmp_p4d and tmp_pud are only used in kasan_init.c so they
should be declared as static.
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202306282202.bODptiGE-lkp@xxxxxxxxx/
Fixes: 96f9d4daf745 ("riscv: Rework kasan population functions")
Signed-off-by: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230704074357.233982-1-alexghiti@xxxxxxxxxxxx
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/riscv/mm/kasan_init.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/arch/riscv/mm/kasan_init.c
+++ b/arch/riscv/mm/kasan_init.c
@@ -22,9 +22,9 @@
* region is not and then we have to go down to the PUD level.
*/
-pgd_t tmp_pg_dir[PTRS_PER_PGD] __page_aligned_bss;
-p4d_t tmp_p4d[PTRS_PER_P4D] __page_aligned_bss;
-pud_t tmp_pud[PTRS_PER_PUD] __page_aligned_bss;
+static pgd_t tmp_pg_dir[PTRS_PER_PGD] __page_aligned_bss;
+static p4d_t tmp_p4d[PTRS_PER_P4D] __page_aligned_bss;
+static pud_t tmp_pud[PTRS_PER_PUD] __page_aligned_bss;
static void __init kasan_populate_pte(pmd_t *pmd, unsigned long vaddr, unsigned long end)
{
Patches currently in stable-queue which might be from alexghiti@xxxxxxxxxxxx are
queue-6.4/riscv-mark-kasan-tmp-page-tables-variables-as-static.patch
queue-6.4/riscv-move-create_tmp_mapping-to-init-sections.patch
