linux-kernel - [PATCH 04/29] unicore32: remove flush_cache_user

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Date:   Fri, 15 May 2020 16:36:21 +0200
From:   Christoph Hellwig <hch@....de>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Roman Zippel <zippel@...ux-m68k.org>
Cc:     Jessica Yu <jeyu@...nel.org>, Michal Simek <monstr@...str.eu>,
        x86@...nel.org, linux-alpha@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-c6x-dev@...ux-c6x.org, linux-hexagon@...r.kernel.org,
        linux-ia64@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
        linux-mips@...r.kernel.org, openrisc@...ts.librecores.org,
        linuxppc-dev@...ts.ozlabs.org, linux-riscv@...ts.infradead.org,
        linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-mm@...ck.org,
        linux-um@...ts.infradead.org, linux-xtensa@...ux-xtensa.org,
        linux-fsdevel@...r.kernel.org
Subject: [PATCH 04/29] unicore32: remove flush_cache_user_range

flush_cache_user_range is an ARMism not used by any generic or unicore32
specific code.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 arch/unicore32/include/asm/cacheflush.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/arch/unicore32/include/asm/cacheflush.h b/arch/unicore32/include/asm/cacheflush.h
index dc8c0b41538f8..9393ca4047e93 100644
--- a/arch/unicore32/include/asm/cacheflush.h
+++ b/arch/unicore32/include/asm/cacheflush.h
@@ -132,14 +132,6 @@ extern void flush_cache_page(struct vm_area_struct *vma,
 
 #define flush_cache_dup_mm(mm) flush_cache_mm(mm)
 
-/*
- * flush_cache_user_range is used when we want to ensure that the
- * Harvard caches are synchronised for the user space address range.
- * This is used for the UniCore private sys_cacheflush system call.
- */
-#define flush_cache_user_range(vma, start, end) \
-	__cpuc_coherent_user_range((start) & PAGE_MASK, PAGE_ALIGN(end))
-
 /*
  * Perform necessary cache operations to ensure that data previously
  * stored within this range of addresses can be executed by the CPU.
-- 
2.26.2