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Message-Id: <20221230-kmap-x86-v1-2-15f1ecccab50@intel.com>
Date: Wed, 15 Mar 2023 16:20:55 -0700
From: Ira Weiny <ira.weiny@...el.com>
To: Dave Hansen <dave.hansen@...ux.intel.com>,
Thomas Gleixner <tglx@...utronix.de>,
Michael Ellerman <mpe@...erman.id.au>,
Nicholas Piggin <npiggin@...il.com>,
Christophe Leroy <christophe.leroy@...roup.eu>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>, Ingo Molnar <mingo@...hat.com>,
Borislav Petkov <bp@...en8.de>, x86@...nel.org,
"H. Peter Anvin" <hpa@...or.com>
Cc: Dan Williams <dan.j.williams@...el.com>,
Al Viro <viro@...iv.linux.org.uk>,
linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-arm-kernel@...ts.infradead.org,
Ira Weiny <ira.weiny@...el.com>
Subject: [PATCH 2/3] powerpc: Remove memcpy_page_flushcache()
Commit 21b56c847753 ("iov_iter: get rid of separate bvec and xarray
callbacks") removed the calls to memcpy_page_flushcache().
Remove the unnecessary memcpy_page_flushcache() call.
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Nicholas Piggin <npiggin@...il.com>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>
Cc: Al Viro <viro@...iv.linux.org.uk>
Cc: "Dan Williams" <dan.j.williams@...el.com>
Cc: linuxppc-dev@...ts.ozlabs.org
Signed-off-by: Ira Weiny <ira.weiny@...el.com>
---
arch/powerpc/include/asm/uaccess.h | 2 --
arch/powerpc/lib/pmem.c | 7 -------
2 files changed, 9 deletions(-)
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index 3ddc65c63a49..52378e641d38 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -361,8 +361,6 @@ copy_mc_to_user(void __user *to, const void *from, unsigned long n)
extern long __copy_from_user_flushcache(void *dst, const void __user *src,
unsigned size);
-extern void memcpy_page_flushcache(char *to, struct page *page, size_t offset,
- size_t len);
static __must_check inline bool user_access_begin(const void __user *ptr, size_t len)
{
diff --git a/arch/powerpc/lib/pmem.c b/arch/powerpc/lib/pmem.c
index eb2919ddf9b9..4e724c4c01ad 100644
--- a/arch/powerpc/lib/pmem.c
+++ b/arch/powerpc/lib/pmem.c
@@ -85,10 +85,3 @@ void memcpy_flushcache(void *dest, const void *src, size_t size)
clean_pmem_range(start, start + size);
}
EXPORT_SYMBOL(memcpy_flushcache);
-
-void memcpy_page_flushcache(char *to, struct page *page, size_t offset,
- size_t len)
-{
- memcpy_flushcache(to, page_to_virt(page) + offset, len);
-}
-EXPORT_SYMBOL(memcpy_page_flushcache);
--
2.39.2
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