From: Christoph Hellwig <hch@lst.de>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
x86@kernel.org
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 3/6] x86: remove the unused set_memory_array_* functions
Date: Tue, 13 Aug 2019 11:01:43 +0200 [thread overview]
Message-ID: <20190813090146.26377-4-hch@lst.de> (raw)
In-Reply-To: <20190813090146.26377-1-hch@lst.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/x86/include/asm/set_memory.h | 5 ---
arch/x86/mm/pageattr.c | 75 -------------------------------
2 files changed, 80 deletions(-)
diff --git a/arch/x86/include/asm/set_memory.h b/arch/x86/include/asm/set_memory.h
index ae7b909dc242..899ec9ae7cff 100644
--- a/arch/x86/include/asm/set_memory.h
+++ b/arch/x86/include/asm/set_memory.h
@@ -48,11 +48,6 @@ int set_memory_encrypted(unsigned long addr, int numpages);
int set_memory_decrypted(unsigned long addr, int numpages);
int set_memory_np_noalias(unsigned long addr, int numpages);
-int set_memory_array_uc(unsigned long *addr, int addrinarray);
-int set_memory_array_wc(unsigned long *addr, int addrinarray);
-int set_memory_array_wt(unsigned long *addr, int addrinarray);
-int set_memory_array_wb(unsigned long *addr, int addrinarray);
-
int set_pages_array_uc(struct page **pages, int addrinarray);
int set_pages_array_wc(struct page **pages, int addrinarray);
int set_pages_array_wt(struct page **pages, int addrinarray);
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index a02ca8986299..3be5d22c005a 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -1809,63 +1809,6 @@ int set_memory_uc(unsigned long addr, int numpages)
}
EXPORT_SYMBOL(set_memory_uc);
-static int _set_memory_array(unsigned long *addr, int numpages,
- enum page_cache_mode new_type)
-{
- enum page_cache_mode set_type;
- int i, j;
- int ret;
-
- for (i = 0; i < numpages; i++) {
- ret = reserve_memtype(__pa(addr[i]), __pa(addr[i]) + PAGE_SIZE,
- new_type, NULL);
- if (ret)
- goto out_free;
- }
-
- /* If WC, set to UC- first and then WC */
- set_type = (new_type == _PAGE_CACHE_MODE_WC) ?
- _PAGE_CACHE_MODE_UC_MINUS : new_type;
-
- ret = change_page_attr_set(addr, numpages,
- cachemode2pgprot(set_type), 1);
-
- if (!ret && new_type == _PAGE_CACHE_MODE_WC)
- ret = change_page_attr_set_clr(addr, numpages,
- cachemode2pgprot(
- _PAGE_CACHE_MODE_WC),
- __pgprot(_PAGE_CACHE_MASK),
- 0, CPA_ARRAY, NULL);
- if (ret)
- goto out_free;
-
- return 0;
-
-out_free:
- for (j = 0; j < i; j++)
- free_memtype(__pa(addr[j]), __pa(addr[j]) + PAGE_SIZE);
-
- return ret;
-}
-
-int set_memory_array_uc(unsigned long *addr, int numpages)
-{
- return _set_memory_array(addr, numpages, _PAGE_CACHE_MODE_UC_MINUS);
-}
-EXPORT_SYMBOL(set_memory_array_uc);
-
-int set_memory_array_wc(unsigned long *addr, int numpages)
-{
- return _set_memory_array(addr, numpages, _PAGE_CACHE_MODE_WC);
-}
-EXPORT_SYMBOL(set_memory_array_wc);
-
-int set_memory_array_wt(unsigned long *addr, int numpages)
-{
- return _set_memory_array(addr, numpages, _PAGE_CACHE_MODE_WT);
-}
-EXPORT_SYMBOL_GPL(set_memory_array_wt);
-
int _set_memory_wc(unsigned long addr, int numpages)
{
int ret;
@@ -1942,24 +1885,6 @@ int set_memory_wb(unsigned long addr, int numpages)
}
EXPORT_SYMBOL(set_memory_wb);
-int set_memory_array_wb(unsigned long *addr, int numpages)
-{
- int i;
- int ret;
-
- /* WB cache mode is hard wired to all cache attribute bits being 0 */
- ret = change_page_attr_clear(addr, numpages,
- __pgprot(_PAGE_CACHE_MASK), 1);
- if (ret)
- return ret;
-
- for (i = 0; i < numpages; i++)
- free_memtype(__pa(addr[i]), __pa(addr[i]) + PAGE_SIZE);
-
- return 0;
-}
-EXPORT_SYMBOL(set_memory_array_wb);
-
int set_memory_x(unsigned long addr, int numpages)
{
if (!(__supported_pte_mask & _PAGE_NX))
--
2.20.1
next prev parent reply other threads:[~2019-08-13 9:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-13 9:01 remove various unused set_memory_* related functions and exports Christoph Hellwig
2019-08-13 9:01 ` [PATCH 1/6] arm64: unexport set_memory_x and set_memory_nx Christoph Hellwig
2019-08-14 16:50 ` Will Deacon
2019-08-14 18:22 ` Christoph Hellwig
2019-08-13 9:01 ` [PATCH 2/6] x86: " Christoph Hellwig
2019-08-13 9:01 ` Christoph Hellwig [this message]
2019-08-13 9:01 ` [PATCH 4/6] x86: remove " Christoph Hellwig
2019-08-23 14:31 ` Peter Zijlstra
2019-08-13 9:01 ` [PATCH 5/6] x86: remove the unused set_memory_wt function Christoph Hellwig
2019-08-13 9:01 ` [PATCH 6/6] x86: remove the unused set_pages_array_wt function Christoph Hellwig
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