From ee930fffee469d076998274a2ca55e13dc1efb67 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 08:50:54 +0000
Subject: [PATCH] enable tun/tap/iptables
---
kernel/drivers/misc/cxl/fault.c | 12 ++++--------
1 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/kernel/drivers/misc/cxl/fault.c b/kernel/drivers/misc/cxl/fault.c
index dc7b341..01153b7 100644
--- a/kernel/drivers/misc/cxl/fault.c
+++ b/kernel/drivers/misc/cxl/fault.c
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2014 IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <linux/workqueue.h>
@@ -168,7 +164,7 @@
if (dsisr & CXL_PSL_DSISR_An_S)
access |= _PAGE_WRITE;
- if (!mm && (REGION_ID(dar) != USER_REGION_ID))
+ if (!mm && (get_region_id(dar) != USER_REGION_ID))
access |= _PAGE_PRIVILEGED;
if (dsisr & DSISR_NOHPTE)
@@ -325,7 +321,7 @@
return;
}
- down_read(&mm->mmap_sem);
+ mmap_read_lock(mm);
for (vma = mm->mmap; vma; vma = vma->vm_next) {
for (ea = vma->vm_start; ea < vma->vm_end;
ea = next_segment(ea, slb.vsid)) {
@@ -340,7 +336,7 @@
last_esid = slb.esid;
}
}
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
mmput(mm);
}
--
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