linux-kernel - [PATCH 1/3] xtensa: move asid

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 13 Apr 2022 16:49:28 -0700
From:   Max Filippov <jcmvbkbc@...il.com>
To:     linux-xtensa@...ux-xtensa.org
Cc:     Chris Zankel <chris@...kel.net>, linux-kernel@...r.kernel.org,
        Max Filippov <jcmvbkbc@...il.com>
Subject: [PATCH 1/3] xtensa: move asid_cache from fault.c to mmu.c

asid_cache is only useful with full MMU, but fault.c is also useful with
MPU. Move asid_cache definition to MMU-specific source file.

Signed-off-by: Max Filippov <jcmvbkbc@...il.com>
---
 arch/xtensa/mm/fault.c | 1 -
 arch/xtensa/mm/mmu.c   | 2 ++
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index 06d0973a0d74..2a120c024334 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -21,7 +21,6 @@
 #include <asm/cacheflush.h>
 #include <asm/hardirq.h>
 
-DEFINE_PER_CPU(unsigned long, asid_cache) = ASID_USER_FIRST;
 void bad_page_fault(struct pt_regs*, unsigned long, int);
 
 /*
diff --git a/arch/xtensa/mm/mmu.c b/arch/xtensa/mm/mmu.c
index 38acda4f04e8..92e158c69c10 100644
--- a/arch/xtensa/mm/mmu.c
+++ b/arch/xtensa/mm/mmu.c
@@ -18,6 +18,8 @@
 #include <asm/initialize_mmu.h>
 #include <asm/io.h>
 
+DEFINE_PER_CPU(unsigned long, asid_cache) = ASID_USER_FIRST;
+
 #if defined(CONFIG_HIGHMEM)
 static void * __init init_pmd(unsigned long vaddr, unsigned long n_pages)
 {
-- 
2.30.2