Revert "introduce two APIs for page attribute"

This reverts commit 1ac2f7d55b7ee1613c90631e87fea22ec06781e5.

diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 4adb33628dec5608c8167c28181441a942ce3a00..5c06469a06537fe2f084a4ce5c5a49e7d6273d7b 100644 (file)
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -752,12 +752,12 @@ static inline int cache_attr(pgprot_t attr)
                (_PAGE_PAT | _PAGE_PAT_LARGE | _PAGE_PWT | _PAGE_PCD);
 }
 
-static int do_change_page_attr_set_clr(unsigned long addr, int numpages,
+static int change_page_attr_set_clr(unsigned long addr, int numpages,
                                    pgprot_t mask_set, pgprot_t mask_clr,
-                                   int force_split, int *tlb_flush)
+                                   int force_split)
 {
        struct cpa_data cpa;
-       int ret, checkalias;
+       int ret, cache, checkalias;
 
        /*
         * Check, if we are requested to change a not supported
@@ -795,22 +795,9 @@ static int do_change_page_attr_set_clr(unsigned long addr, int numpages,
        /*
         * Check whether we really changed something:
         */
-       *tlb_flush = cpa.flushtlb;
-       cpa_fill_pool(NULL);
-
-       return ret;
-}
-
-static int change_page_attr_set_clr(unsigned long addr, int numpages,
-                                   pgprot_t mask_set, pgprot_t mask_clr,
-                                   int force_split)
-{
-       int cache, flush_cache = 0, ret;
-
-       ret = do_change_page_attr_set_clr(addr, numpages, mask_set, mask_clr,
-               force_split, &flush_cache);
-       if (!flush_cache)
+       if (!cpa.flushtlb)
                goto out;
+
        /*
         * No need to flush, when we did not set any of the caching
         * attributes:
@@ -827,7 +814,10 @@ static int change_page_attr_set_clr(unsigned long addr, int numpages,
                cpa_flush_range(addr, numpages, cache);
        else
                cpa_flush_all(cache);
+
 out:
+       cpa_fill_pool(NULL);
+
        return ret;
 }
 
@@ -865,30 +855,6 @@ int set_memory_uc(unsigned long addr, int numpages)
 }
 EXPORT_SYMBOL(set_memory_uc);
 
-int set_memory_uc_noflush(unsigned long addr, int numpages)
-{
-       int flush;
-       /*
-        * for now UC MINUS. see comments in ioremap_nocache()
-        */
-       if (reserve_memtype(addr, addr + numpages * PAGE_SIZE,
-                           _PAGE_CACHE_UC_MINUS, NULL))
-               return -EINVAL;
-       /*
-        * for now UC MINUS. see comments in ioremap_nocache()
-        */
-       return do_change_page_attr_set_clr(addr, numpages,
-                                   __pgprot(_PAGE_CACHE_UC_MINUS),
-                                       __pgprot(0), 0, &flush);
-}
-EXPORT_SYMBOL(set_memory_uc_noflush);
-
-void set_memory_flush_all(void)
-{
-       cpa_flush_all(1);
-}
-EXPORT_SYMBOL(set_memory_flush_all);
-
 int _set_memory_wc(unsigned long addr, int numpages)
 {
        return change_page_attr_set(addr, numpages,
@@ -963,14 +929,6 @@ int set_pages_uc(struct page *page, int numpages)
 }
 EXPORT_SYMBOL(set_pages_uc);
 
-int set_pages_uc_noflush(struct page *page, int numpages)
-{
-       unsigned long addr = (unsigned long)page_address(page);
-
-       return set_memory_uc_noflush(addr, numpages);
-}
-EXPORT_SYMBOL(set_pages_uc_noflush);
-
 int set_pages_wb(struct page *page, int numpages)
 {
        unsigned long addr = (unsigned long)page_address(page);

diff --git a/include/asm-x86/cacheflush.h b/include/asm-x86/cacheflush.h
index 57bac7b68c46753a0037f893232e0d06be4d43d8..f4c0ab50d2c2bc4d8e5d5beea1c84c26409225d7 100644 (file)
--- a/include/asm-x86/cacheflush.h
+++ b/include/asm-x86/cacheflush.h
@@ -57,8 +57,6 @@ int _set_memory_uc(unsigned long addr, int numpages);
 int _set_memory_wc(unsigned long addr, int numpages);
 int _set_memory_wb(unsigned long addr, int numpages);
 int set_memory_uc(unsigned long addr, int numpages);
-int set_memory_uc_noflush(unsigned long addr, int numpages);
-void set_memory_flush_all(void);
 int set_memory_wc(unsigned long addr, int numpages);
 int set_memory_wb(unsigned long addr, int numpages);
 int set_memory_x(unsigned long addr, int numpages);
@@ -89,7 +87,6 @@ int set_memory_4k(unsigned long addr, int numpages);
  */
 
 int set_pages_uc(struct page *page, int numpages);
-int set_pages_uc_noflush(struct page *page, int numpages);
 int set_pages_wb(struct page *page, int numpages);
 int set_pages_x(struct page *page, int numpages);
 int set_pages_nx(struct page *page, int numpages);