mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2025-02-16 23:57:11 +00:00
Kevin Mihelich
parent
9af244764b
commit
d4c96f9997
5 changed files with 223 additions and 5 deletions
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@ -0,0 +1,97 @@
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From 0d2205e75980852690df1e64aac96b01213f02d8 Mon Sep 17 00:00:00 2001
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From: Sasha Levin <sasha.levin@oracle.com>
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Date: Mon, 13 Oct 2014 15:51:05 -0700
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Subject: [PATCH 1/3] kernel: add support for gcc 5
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We're missing include/linux/compiler-gcc5.h which is required now
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because gcc branched off to v5 in trunk.
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Just copy the relevant bits out of include/linux/compiler-gcc4.h,
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no new code is added as of now.
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This fixes a build error when using gcc 5.
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Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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Cc: <stable@vger.kernel.org>
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Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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---
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include/linux/compiler-gcc5.h | 66 +++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 66 insertions(+)
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create mode 100644 include/linux/compiler-gcc5.h
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diff --git a/include/linux/compiler-gcc5.h b/include/linux/compiler-gcc5.h
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new file mode 100644
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index 0000000..cdd1cc2
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--- /dev/null
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+++ b/include/linux/compiler-gcc5.h
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@@ -0,0 +1,66 @@
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+#ifndef __LINUX_COMPILER_H
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+#error "Please don't include <linux/compiler-gcc5.h> directly, include <linux/compiler.h> instead."
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+#endif
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+
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+#define __used __attribute__((__used__))
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+#define __must_check __attribute__((warn_unused_result))
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+#define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
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+
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+/* Mark functions as cold. gcc will assume any path leading to a call
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+ to them will be unlikely. This means a lot of manual unlikely()s
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+ are unnecessary now for any paths leading to the usual suspects
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+ like BUG(), printk(), panic() etc. [but let's keep them for now for
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+ older compilers]
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+
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+ Early snapshots of gcc 4.3 don't support this and we can't detect this
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+ in the preprocessor, but we can live with this because they're unreleased.
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+ Maketime probing would be overkill here.
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+
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+ gcc also has a __attribute__((__hot__)) to move hot functions into
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+ a special section, but I don't see any sense in this right now in
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+ the kernel context */
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+#define __cold __attribute__((__cold__))
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+
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+#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
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+
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+#ifndef __CHECKER__
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+# define __compiletime_warning(message) __attribute__((warning(message)))
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+# define __compiletime_error(message) __attribute__((error(message)))
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+#endif /* __CHECKER__ */
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+
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+/*
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+ * Mark a position in code as unreachable. This can be used to
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+ * suppress control flow warnings after asm blocks that transfer
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+ * control elsewhere.
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+ *
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+ * Early snapshots of gcc 4.5 don't support this and we can't detect
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+ * this in the preprocessor, but we can live with this because they're
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+ * unreleased. Really, we need to have autoconf for the kernel.
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+ */
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+#define unreachable() __builtin_unreachable()
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+
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+/* Mark a function definition as prohibited from being cloned. */
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+#define __noclone __attribute__((__noclone__))
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+
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+/*
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+ * Tell the optimizer that something else uses this function or variable.
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+ */
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+#define __visible __attribute__((externally_visible))
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+
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+/*
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+ * GCC 'asm goto' miscompiles certain code sequences:
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+ *
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+ * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
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+ *
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+ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
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+ * Fixed in GCC 4.8.2 and later versions.
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+ *
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+ * (asm goto is automatically volatile - the naming reflects this.)
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+ */
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+#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
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+
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+#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
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+#define __HAVE_BUILTIN_BSWAP32__
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+#define __HAVE_BUILTIN_BSWAP64__
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+#define __HAVE_BUILTIN_BSWAP16__
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+#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
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--
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2.4.3
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@ -0,0 +1,52 @@
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From 1888d0f464d1be8e42f49dc083bff6eb859dc590 Mon Sep 17 00:00:00 2001
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From: Behan Webster <behanw@converseincode.com>
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Date: Wed, 24 Sep 2014 01:06:46 +0100
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Subject: [PATCH 2/3] ARM: 8158/1: LLVMLinux: use static inline in ARM ftrace.h
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With compilers which follow the C99 standard (like modern versions of gcc and
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clang), "extern inline" does the wrong thing (emits code for an externally
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linkable version of the inline function). In this case using static inline
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and removing the NULL version of return_address in return_address.c does
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the right thing.
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Signed-off-by: Behan Webster <behanw@converseincode.com>
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Reviewed-by: Mark Charlebois <charlebm@gmail.com>
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Acked-by: Steven Rostedt <rostedt@goodmis.org>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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---
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arch/arm/include/asm/ftrace.h | 2 +-
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arch/arm/kernel/return_address.c | 5 -----
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2 files changed, 1 insertion(+), 6 deletions(-)
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diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h
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index f89515a..2bb8cac 100644
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--- a/arch/arm/include/asm/ftrace.h
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+++ b/arch/arm/include/asm/ftrace.h
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@@ -45,7 +45,7 @@ void *return_address(unsigned int);
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#else
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-extern inline void *return_address(unsigned int level)
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+static inline void *return_address(unsigned int level)
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{
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return NULL;
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}
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diff --git a/arch/arm/kernel/return_address.c b/arch/arm/kernel/return_address.c
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index fafedd8..f6aa84d 100644
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--- a/arch/arm/kernel/return_address.c
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+++ b/arch/arm/kernel/return_address.c
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@@ -63,11 +63,6 @@ void *return_address(unsigned int level)
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#warning "TODO: return_address should use unwind tables"
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#endif
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-void *return_address(unsigned int level)
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-{
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- return NULL;
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-}
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-
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#endif /* if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) / else */
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EXPORT_SYMBOL_GPL(return_address);
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--
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2.4.3
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@ -0,0 +1,59 @@
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From 8eb4b07320f7e1bda0ffad2535fd17fc95b6d63a Mon Sep 17 00:00:00 2001
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From: Behan Webster <behanw@converseincode.com>
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Date: Tue, 3 Sep 2013 22:27:26 -0400
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Subject: [PATCH 3/3] ARM: LLVMLinux: Change "extern inline" to "static inline"
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in glue-cache.h
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With compilers which follow the C99 standard (like modern versions of gcc and
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clang), "extern inline" does the wrong thing (emits code for an externally
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linkable version of the inline function). "static inline" is the correct choice
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instead.
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Author: Behan Webster <behanw@converseincode.com>
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Signed-off-by: Behan Webster <behanw@converseincode.com>
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Reviewed-by: Mark Charlebois <charlebm@gmail.com>
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---
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arch/arm/include/asm/glue-cache.h | 22 +++++++++++-----------
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1 file changed, 11 insertions(+), 11 deletions(-)
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diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h
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index c81adc0..a3c24cd 100644
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--- a/arch/arm/include/asm/glue-cache.h
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+++ b/arch/arm/include/asm/glue-cache.h
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@@ -130,22 +130,22 @@
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#endif
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#ifndef __ASSEMBLER__
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-extern inline void nop_flush_icache_all(void) { }
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-extern inline void nop_flush_kern_cache_all(void) { }
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-extern inline void nop_flush_kern_cache_louis(void) { }
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-extern inline void nop_flush_user_cache_all(void) { }
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-extern inline void nop_flush_user_cache_range(unsigned long a,
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+static inline void nop_flush_icache_all(void) { }
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+static inline void nop_flush_kern_cache_all(void) { }
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+static inline void nop_flush_kern_cache_louis(void) { }
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+static inline void nop_flush_user_cache_all(void) { }
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+static inline void nop_flush_user_cache_range(unsigned long a,
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unsigned long b, unsigned int c) { }
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-extern inline void nop_coherent_kern_range(unsigned long a, unsigned long b) { }
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-extern inline int nop_coherent_user_range(unsigned long a,
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+static inline void nop_coherent_kern_range(unsigned long a, unsigned long b) { }
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+static inline int nop_coherent_user_range(unsigned long a,
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unsigned long b) { return 0; }
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-extern inline void nop_flush_kern_dcache_area(void *a, size_t s) { }
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+static inline void nop_flush_kern_dcache_area(void *a, size_t s) { }
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-extern inline void nop_dma_flush_range(const void *a, const void *b) { }
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+static inline void nop_dma_flush_range(const void *a, const void *b) { }
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-extern inline void nop_dma_map_area(const void *s, size_t l, int f) { }
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-extern inline void nop_dma_unmap_area(const void *s, size_t l, int f) { }
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+static inline void nop_dma_map_area(const void *s, size_t l, int f) { }
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+static inline void nop_dma_unmap_area(const void *s, size_t l, int f) { }
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#endif
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#ifndef MULTI_CACHE
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--
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2.4.3
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@ -14,20 +14,30 @@ pkgrel=1
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arch=('armv7h')
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url="https://github.com/parallella/parallella-linux"
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license=('GPL2')
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makedepends=('xmlto' 'docbook-xsl' 'kmod' 'inetutils' 'bc' 'uboot-mkimage')
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makedepends=('xmlto' 'docbook-xsl' 'kmod' 'inetutils' 'bc' 'uboot-tools' 'git')
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options=('!strip')
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source=("https://github.com/parallella/parallella-linux/archive/${_commit}.tar.gz"
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'0001-kernel-add-support-for-gcc-5.patch'
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'0002-ARM-8158-1-LLVMLinux-use-static-inline-in-ARM-ftrace.patch'
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'0003-ARM-LLVMLinux-Change-extern-inline-to-static-inline-.patch'
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'config')
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sha256sums=('4b19478f7932294c92c749843c7f68c3d35deb28937f76f4154bec68f83076eb'
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'8bb191e1ac181b0c0fa2ed0a64cf1e367d291f0f4045c000634f40b6c06d970d')
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'caac03c6d5f8563c80ac7149565c78ee8e452b5a26b97142f98f5951d609eb1d'
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'b2056fd871ce391de06cefdb71cdd82f21e4e12694492345e8b89c12d5186611'
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'63cf874b765bb8981f15a83a53eb069ee2824f37dbbb4eedce63dbbde0bfb6f8'
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'22ae77f1912b90b4efd38d1dbd417b35111c53bc2dc29c0e89ef17fb2577091b')
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prepare() {
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cd "${srcdir}/${_srcname}"
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git apply ../0001-kernel-add-support-for-gcc-5.patch
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git apply ../0002-ARM-8158-1-LLVMLinux-use-static-inline-in-ARM-ftrace.patch
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git apply ../0003-ARM-LLVMLinux-Change-extern-inline-to-static-inline-.patch
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cat "${srcdir}/config" > ./.config
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# add pkgrel to extraversion
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sed -ri "s|^(EXTRAVERSION =)(.*)|\1 \2-${pkgrel}|" Makefile
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sed -ri "s|^(EXTRAVERSION =)(.*)|\1 -${pkgrel}|" Makefile
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# don't run depmod on 'make install'. We'll do this ourselves in packaging
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sed -i '2iexit 0' scripts/depmod.sh
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@ -1,6 +1,6 @@
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#
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# Automatically generated file; DO NOT EDIT.
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# Linux/arm 3.14.12-parallella-2 Kernel Configuration
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# Linux/arm 3.14.12-1 Kernel Configuration
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#
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CONFIG_ARM=y
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CONFIG_MIGHT_HAVE_PCI=y
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@ -3693,7 +3693,7 @@ CONFIG_RTLLIB_CRYPTO_CCMP=m
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CONFIG_RTLLIB_CRYPTO_TKIP=m
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CONFIG_RTLLIB_CRYPTO_WEP=m
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# CONFIG_RTL8192E is not set
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CONFIG_R8712U=m
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# CONFIG_R8712U is not set
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CONFIG_R8188EU=m
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CONFIG_88EU_AP_MODE=y
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CONFIG_88EU_P2P=y
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