From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/include/xen/arm/page.h | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/kernel/include/xen/arm/page.h b/kernel/include/xen/arm/page.h
index f77dcbc..ac1b654 100644
--- a/kernel/include/xen/arm/page.h
+++ b/kernel/include/xen/arm/page.h
@@ -3,11 +3,11 @@
#define _ASM_ARM_XEN_PAGE_H
#include <asm/page.h>
-#include <asm/pgtable.h>
#include <linux/pfn.h>
#include <linux/types.h>
#include <linux/dma-mapping.h>
+#include <linux/pgtable.h>
#include <xen/xen.h>
#include <xen/interface/grant_table.h>
@@ -76,9 +76,16 @@
#define bfn_to_local_pfn(bfn) bfn_to_pfn(bfn)
/* VIRT <-> GUEST conversion */
-#define virt_to_gfn(v) (pfn_to_gfn(virt_to_phys(v) >> XEN_PAGE_SHIFT))
+#define virt_to_gfn(v) \
+ ({ \
+ WARN_ON_ONCE(!virt_addr_valid(v)); \
+ pfn_to_gfn(virt_to_phys(v) >> XEN_PAGE_SHIFT); \
+ })
#define gfn_to_virt(m) (__va(gfn_to_pfn(m) << XEN_PAGE_SHIFT))
+#define percpu_to_gfn(v) \
+ (pfn_to_gfn(per_cpu_ptr_to_phys(v) >> XEN_PAGE_SHIFT))
+
/* Only used in PV code. But ARM guests are always HVM. */
static inline xmaddr_t arbitrary_virt_to_machine(void *vaddr)
{
--
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