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-rw-r--r--arch/mn10300/kernel/module.c3
-rw-r--r--arch/mn10300/mm/cache.c20
2 files changed, 20 insertions, 3 deletions
diff --git a/arch/mn10300/kernel/module.c b/arch/mn10300/kernel/module.c
index 6aea7fd7699..196a111e2e2 100644
--- a/arch/mn10300/kernel/module.c
+++ b/arch/mn10300/kernel/module.c
@@ -206,7 +206,7 @@ int module_finalize(const Elf_Ehdr *hdr,
const Elf_Shdr *sechdrs,
struct module *me)
{
- return module_bug_finalize(hdr, sechdrs, me);
+ return 0;
}
/*
@@ -214,5 +214,4 @@ int module_finalize(const Elf_Ehdr *hdr,
*/
void module_arch_cleanup(struct module *mod)
{
- module_bug_cleanup(mod);
}
diff --git a/arch/mn10300/mm/cache.c b/arch/mn10300/mm/cache.c
index 1b76719ec1c..9261217e8d2 100644
--- a/arch/mn10300/mm/cache.c
+++ b/arch/mn10300/mm/cache.c
@@ -54,13 +54,30 @@ EXPORT_SYMBOL(flush_icache_page);
void flush_icache_range(unsigned long start, unsigned long end)
{
#ifdef CONFIG_MN10300_CACHE_WBACK
- unsigned long addr, size, off;
+ unsigned long addr, size, base, off;
struct page *page;
pgd_t *pgd;
pud_t *pud;
pmd_t *pmd;
pte_t *ppte, pte;
+ if (end > 0x80000000UL) {
+ /* addresses above 0xa0000000 do not go through the cache */
+ if (end > 0xa0000000UL) {
+ end = 0xa0000000UL;
+ if (start >= end)
+ return;
+ }
+
+ /* kernel addresses between 0x80000000 and 0x9fffffff do not
+ * require page tables, so we just map such addresses directly */
+ base = (start >= 0x80000000UL) ? start : 0x80000000UL;
+ mn10300_dcache_flush_range(base, end);
+ if (base == start)
+ goto invalidate;
+ end = base;
+ }
+
for (; start < end; start += size) {
/* work out how much of the page to flush */
off = start & (PAGE_SIZE - 1);
@@ -104,6 +121,7 @@ void flush_icache_range(unsigned long start, unsigned long end)
}
#endif
+invalidate:
mn10300_icache_inv();
}
EXPORT_SYMBOL(flush_icache_range);