Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=94c282d79e17a83ccc876990e05378ed6dfbccae
Commit: 94c282d79e17a83ccc876990e05378ed6dfbccae
Parent: c6256c68248cfccbeec07ced442ffe395fa393e8
Author: Jeff Dike <[EMAIL PROTECTED]>
AuthorDate: Sat Feb 10 01:44:09 2007 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Sun Feb 11 10:51:22 2007 -0800
[PATCH] uml: locking comments in iomem driver
Comment some lack of locking in the iomem driver.
Also, a couple of variables are in the wrong place, so they are moved.
Signed-off-by: Jeff Dike <[EMAIL PROTECTED]>
Cc: Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
arch/um/kernel/mem.c | 10 ----------
arch/um/kernel/physmem.c | 17 +++++++++++++++++
2 files changed, 17 insertions(+), 10 deletions(-)
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index c95855b..fb11992 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -367,16 +367,6 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned
long address)
return pte;
}
-struct iomem_region *iomem_regions = NULL;
-int iomem_size = 0;
-
-extern int parse_iomem(char *str, int *add) __init;
-
-__uml_setup("iomem=", parse_iomem,
-"iomem=<name>,<file>\n"
-" Configure <file> as an IO memory region named <name>.\n\n"
-);
-
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c
index abafa64..22d3cf3 100644
--- a/arch/um/kernel/physmem.c
+++ b/arch/um/kernel/physmem.c
@@ -398,6 +398,23 @@ __uml_setup("mem=", uml_mem_setup,
" Example: mem=64M\n\n"
);
+extern int __init parse_iomem(char *str, int *add);
+
+__uml_setup("iomem=", parse_iomem,
+"iomem=<name>,<file>\n"
+" Configure <file> as an IO memory region named <name>.\n\n"
+);
+
+/*
+ * This list is constructed in parse_iomem and addresses filled in in
+ * setup_iomem, both of which run during early boot. Afterwards, it's
+ * unchanged.
+ */
+struct iomem_region *iomem_regions = NULL;
+
+/* Initialized in parse_iomem */
+int iomem_size = 0;
+
unsigned long find_iomem(char *driver, unsigned long *len_out)
{
struct iomem_region *region = iomem_regions;
-
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