From 5b80bfd7bffd4c20d80b7c70a7130529e9a755dd Mon Sep 17 00:00:00 2001 From: ToshikazuOhiwa Date: Mon, 30 Mar 2020 09:24:26 +0900 Subject: agl-basesystem --- ...c-disable-ftracer-for-__noclone-functions.patch | 45 +++ ...c-integrate-the-various-compiler-gcc-345-.patch | 368 +++++++++++++++++++++ 2 files changed, 413 insertions(+) create mode 100644 bsp/meta-altera/recipes-kernel/linux/linux-altera-ltsi/0001-compiler-gcc-disable-ftracer-for-__noclone-functions.patch create mode 100644 bsp/meta-altera/recipes-kernel/linux/linux-altera-ltsi/0001-compiler-gcc-integrate-the-various-compiler-gcc-345-.patch (limited to 'bsp/meta-altera/recipes-kernel/linux/linux-altera-ltsi') diff --git a/bsp/meta-altera/recipes-kernel/linux/linux-altera-ltsi/0001-compiler-gcc-disable-ftracer-for-__noclone-functions.patch b/bsp/meta-altera/recipes-kernel/linux/linux-altera-ltsi/0001-compiler-gcc-disable-ftracer-for-__noclone-functions.patch new file mode 100644 index 00000000..338011e4 --- /dev/null +++ b/bsp/meta-altera/recipes-kernel/linux/linux-altera-ltsi/0001-compiler-gcc-disable-ftracer-for-__noclone-functions.patch @@ -0,0 +1,45 @@ +From 9b561b878bc40703e21144def6a5c2c8d436b883 Mon Sep 17 00:00:00 2001 +From: Paolo Bonzini +Date: Thu, 31 Mar 2016 09:38:51 +0200 +Subject: [PATCH] compiler-gcc: disable -ftracer for __noclone functions + +[ Upstream commit 95272c29378ee7dc15f43fa2758cb28a5913a06d ] + +-ftracer can duplicate asm blocks causing compilation to fail in +noclone functions. For example, KVM declares a global variable +in an asm like + + asm("2: ... \n + .pushsection data \n + .global vmx_return \n + vmx_return: .long 2b"); + +and -ftracer causes a double declaration. + +Cc: Andrew Morton +Cc: Michal Marek +Cc: stable@vger.kernel.org +Cc: kvm@vger.kernel.org +Reported-by: Linda Walsh +Signed-off-by: Paolo Bonzini +Signed-off-by: Sasha Levin +--- + include/linux/compiler-gcc.h | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h +index 484ef6e..27fa573 100644 +--- a/include/linux/compiler-gcc.h ++++ b/include/linux/compiler-gcc.h +@@ -192,7 +192,7 @@ + #define unreachable() __builtin_unreachable() + + /* Mark a function definition as prohibited from being cloned. */ +-#define __noclone __attribute__((__noclone__)) ++#define __noclone __attribute__((__noclone__, __optimize__("no-tracer"))) + + #endif /* GCC_VERSION >= 40500 */ + +-- +2.8.2 + diff --git a/bsp/meta-altera/recipes-kernel/linux/linux-altera-ltsi/0001-compiler-gcc-integrate-the-various-compiler-gcc-345-.patch b/bsp/meta-altera/recipes-kernel/linux/linux-altera-ltsi/0001-compiler-gcc-integrate-the-various-compiler-gcc-345-.patch new file mode 100644 index 00000000..2d05db5c --- /dev/null +++ b/bsp/meta-altera/recipes-kernel/linux/linux-altera-ltsi/0001-compiler-gcc-integrate-the-various-compiler-gcc-345-.patch @@ -0,0 +1,368 @@ +From f320793e52aee78f0fbb8bcaf10e6614d2e67bfc Mon Sep 17 00:00:00 2001 +From: Joe Perches +Date: Thu, 25 Jun 2015 15:01:02 -0700 +Subject: [PATCH] compiler-gcc: integrate the various compiler-gcc[345].h files + +[ Upstream commit cb984d101b30eb7478d32df56a0023e4603cba7f ] + +As gcc major version numbers are going to advance rather rapidly in the +future, there's no real value in separate files for each compiler +version. + +Deduplicate some of the macros #defined in each file too. + +Neaten comments using normal kernel commenting style. + +Signed-off-by: Joe Perches +Cc: Andi Kleen +Cc: Michal Marek +Cc: Segher Boessenkool +Cc: Sasha Levin +Cc: Anton Blanchard +Cc: Alan Modra +Signed-off-by: Andrew Morton +Signed-off-by: Linus Torvalds +Signed-off-by: Sasha Levin +--- + include/linux/compiler-gcc.h | 120 ++++++++++++++++++++++++++++++++++++++++-- + include/linux/compiler-gcc3.h | 23 -------- + include/linux/compiler-gcc4.h | 91 -------------------------------- + include/linux/compiler-gcc5.h | 67 ----------------------- + 4 files changed, 116 insertions(+), 185 deletions(-) + delete mode 100644 include/linux/compiler-gcc3.h + delete mode 100644 include/linux/compiler-gcc4.h + delete mode 100644 include/linux/compiler-gcc5.h + +diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h +index 371e560..484ef6e 100644 +--- a/include/linux/compiler-gcc.h ++++ b/include/linux/compiler-gcc.h +@@ -115,10 +115,122 @@ + #define __maybe_unused __attribute__((unused)) + #define __always_unused __attribute__((unused)) + +-#define __gcc_header(x) #x +-#define _gcc_header(x) __gcc_header(linux/compiler-gcc##x.h) +-#define gcc_header(x) _gcc_header(x) +-#include gcc_header(__GNUC__) ++/* gcc version specific checks */ ++ ++#if GCC_VERSION < 30200 ++# error Sorry, your compiler is too old - please upgrade it. ++#endif ++ ++#if GCC_VERSION < 30300 ++# define __used __attribute__((__unused__)) ++#else ++# define __used __attribute__((__used__)) ++#endif ++ ++#ifdef CONFIG_GCOV_KERNEL ++# if GCC_VERSION < 30400 ++# error "GCOV profiling support for gcc versions below 3.4 not included" ++# endif /* __GNUC_MINOR__ */ ++#endif /* CONFIG_GCOV_KERNEL */ ++ ++#if GCC_VERSION >= 30400 ++#define __must_check __attribute__((warn_unused_result)) ++#endif ++ ++#if GCC_VERSION >= 40000 ++ ++/* GCC 4.1.[01] miscompiles __weak */ ++#ifdef __KERNEL__ ++# if GCC_VERSION >= 40100 && GCC_VERSION <= 40101 ++# error Your version of gcc miscompiles the __weak directive ++# endif ++#endif ++ ++#define __used __attribute__((__used__)) ++#define __compiler_offsetof(a, b) \ ++ __builtin_offsetof(a, b) ++ ++#if GCC_VERSION >= 40100 && GCC_VERSION < 40600 ++# define __compiletime_object_size(obj) __builtin_object_size(obj, 0) ++#endif ++ ++#if GCC_VERSION >= 40300 ++/* Mark functions as cold. gcc will assume any path leading to a call ++ * to them will be unlikely. This means a lot of manual unlikely()s ++ * are unnecessary now for any paths leading to the usual suspects ++ * like BUG(), printk(), panic() etc. [but let's keep them for now for ++ * older compilers] ++ * ++ * Early snapshots of gcc 4.3 don't support this and we can't detect this ++ * in the preprocessor, but we can live with this because they're unreleased. ++ * Maketime probing would be overkill here. ++ * ++ * gcc also has a __attribute__((__hot__)) to move hot functions into ++ * a special section, but I don't see any sense in this right now in ++ * the kernel context ++ */ ++#define __cold __attribute__((__cold__)) ++ ++#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) ++ ++#ifndef __CHECKER__ ++# define __compiletime_warning(message) __attribute__((warning(message))) ++# define __compiletime_error(message) __attribute__((error(message))) ++#endif /* __CHECKER__ */ ++#endif /* GCC_VERSION >= 40300 */ ++ ++#if GCC_VERSION >= 40500 ++/* ++ * Mark a position in code as unreachable. This can be used to ++ * suppress control flow warnings after asm blocks that transfer ++ * control elsewhere. ++ * ++ * Early snapshots of gcc 4.5 don't support this and we can't detect ++ * this in the preprocessor, but we can live with this because they're ++ * unreleased. Really, we need to have autoconf for the kernel. ++ */ ++#define unreachable() __builtin_unreachable() ++ ++/* Mark a function definition as prohibited from being cloned. */ ++#define __noclone __attribute__((__noclone__)) ++ ++#endif /* GCC_VERSION >= 40500 */ ++ ++#if GCC_VERSION >= 40600 ++/* ++ * Tell the optimizer that something else uses this function or variable. ++ */ ++#define __visible __attribute__((externally_visible)) ++#endif ++ ++/* ++ * GCC 'asm goto' miscompiles certain code sequences: ++ * ++ * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670 ++ * ++ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. ++ * ++ * (asm goto is automatically volatile - the naming reflects this.) ++ */ ++#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0) ++ ++#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP ++#if GCC_VERSION >= 40400 ++#define __HAVE_BUILTIN_BSWAP32__ ++#define __HAVE_BUILTIN_BSWAP64__ ++#endif ++#if GCC_VERSION >= 40800 || (defined(__powerpc__) && GCC_VERSION >= 40600) ++#define __HAVE_BUILTIN_BSWAP16__ ++#endif ++#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ ++ ++#if GCC_VERSION >= 50000 ++#define KASAN_ABI_VERSION 4 ++#elif GCC_VERSION >= 40902 ++#define KASAN_ABI_VERSION 3 ++#endif ++ ++#endif /* gcc version >= 40000 specific checks */ + + #if !defined(__noclone) + #define __noclone /* not needed */ +diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h +deleted file mode 100644 +index 7d89feb..0000000 +--- a/include/linux/compiler-gcc3.h ++++ /dev/null +@@ -1,23 +0,0 @@ +-#ifndef __LINUX_COMPILER_H +-#error "Please don't include directly, include instead." +-#endif +- +-#if GCC_VERSION < 30200 +-# error Sorry, your compiler is too old - please upgrade it. +-#endif +- +-#if GCC_VERSION >= 30300 +-# define __used __attribute__((__used__)) +-#else +-# define __used __attribute__((__unused__)) +-#endif +- +-#if GCC_VERSION >= 30400 +-#define __must_check __attribute__((warn_unused_result)) +-#endif +- +-#ifdef CONFIG_GCOV_KERNEL +-# if GCC_VERSION < 30400 +-# error "GCOV profiling support for gcc versions below 3.4 not included" +-# endif /* __GNUC_MINOR__ */ +-#endif /* CONFIG_GCOV_KERNEL */ +diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h +deleted file mode 100644 +index 769e198..0000000 +--- a/include/linux/compiler-gcc4.h ++++ /dev/null +@@ -1,91 +0,0 @@ +-#ifndef __LINUX_COMPILER_H +-#error "Please don't include directly, include instead." +-#endif +- +-/* GCC 4.1.[01] miscompiles __weak */ +-#ifdef __KERNEL__ +-# if GCC_VERSION >= 40100 && GCC_VERSION <= 40101 +-# error Your version of gcc miscompiles the __weak directive +-# endif +-#endif +- +-#define __used __attribute__((__used__)) +-#define __must_check __attribute__((warn_unused_result)) +-#define __compiler_offsetof(a,b) __builtin_offsetof(a,b) +- +-#if GCC_VERSION >= 40100 && GCC_VERSION < 40600 +-# define __compiletime_object_size(obj) __builtin_object_size(obj, 0) +-#endif +- +-#if GCC_VERSION >= 40300 +-/* Mark functions as cold. gcc will assume any path leading to a call +- to them will be unlikely. This means a lot of manual unlikely()s +- are unnecessary now for any paths leading to the usual suspects +- like BUG(), printk(), panic() etc. [but let's keep them for now for +- older compilers] +- +- Early snapshots of gcc 4.3 don't support this and we can't detect this +- in the preprocessor, but we can live with this because they're unreleased. +- Maketime probing would be overkill here. +- +- gcc also has a __attribute__((__hot__)) to move hot functions into +- a special section, but I don't see any sense in this right now in +- the kernel context */ +-#define __cold __attribute__((__cold__)) +- +-#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) +- +-#ifndef __CHECKER__ +-# define __compiletime_warning(message) __attribute__((warning(message))) +-# define __compiletime_error(message) __attribute__((error(message))) +-#endif /* __CHECKER__ */ +-#endif /* GCC_VERSION >= 40300 */ +- +-#if GCC_VERSION >= 40500 +-/* +- * Mark a position in code as unreachable. This can be used to +- * suppress control flow warnings after asm blocks that transfer +- * control elsewhere. +- * +- * Early snapshots of gcc 4.5 don't support this and we can't detect +- * this in the preprocessor, but we can live with this because they're +- * unreleased. Really, we need to have autoconf for the kernel. +- */ +-#define unreachable() __builtin_unreachable() +- +-/* Mark a function definition as prohibited from being cloned. */ +-#define __noclone __attribute__((__noclone__)) +- +-#endif /* GCC_VERSION >= 40500 */ +- +-#if GCC_VERSION >= 40600 +-/* +- * Tell the optimizer that something else uses this function or variable. +- */ +-#define __visible __attribute__((externally_visible)) +-#endif +- +-/* +- * GCC 'asm goto' miscompiles certain code sequences: +- * +- * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670 +- * +- * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. +- * +- * (asm goto is automatically volatile - the naming reflects this.) +- */ +-#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0) +- +-#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP +-#if GCC_VERSION >= 40400 +-#define __HAVE_BUILTIN_BSWAP32__ +-#define __HAVE_BUILTIN_BSWAP64__ +-#endif +-#if GCC_VERSION >= 40800 || (defined(__powerpc__) && GCC_VERSION >= 40600) +-#define __HAVE_BUILTIN_BSWAP16__ +-#endif +-#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ +- +-#if GCC_VERSION >= 40902 +-#define KASAN_ABI_VERSION 3 +-#endif +diff --git a/include/linux/compiler-gcc5.h b/include/linux/compiler-gcc5.h +deleted file mode 100644 +index efee493..0000000 +--- a/include/linux/compiler-gcc5.h ++++ /dev/null +@@ -1,67 +0,0 @@ +-#ifndef __LINUX_COMPILER_H +-#error "Please don't include directly, include instead." +-#endif +- +-#define __used __attribute__((__used__)) +-#define __must_check __attribute__((warn_unused_result)) +-#define __compiler_offsetof(a, b) __builtin_offsetof(a, b) +- +-/* Mark functions as cold. gcc will assume any path leading to a call +- to them will be unlikely. This means a lot of manual unlikely()s +- are unnecessary now for any paths leading to the usual suspects +- like BUG(), printk(), panic() etc. [but let's keep them for now for +- older compilers] +- +- Early snapshots of gcc 4.3 don't support this and we can't detect this +- in the preprocessor, but we can live with this because they're unreleased. +- Maketime probing would be overkill here. +- +- gcc also has a __attribute__((__hot__)) to move hot functions into +- a special section, but I don't see any sense in this right now in +- the kernel context */ +-#define __cold __attribute__((__cold__)) +- +-#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) +- +-#ifndef __CHECKER__ +-# define __compiletime_warning(message) __attribute__((warning(message))) +-# define __compiletime_error(message) __attribute__((error(message))) +-#endif /* __CHECKER__ */ +- +-/* +- * Mark a position in code as unreachable. This can be used to +- * suppress control flow warnings after asm blocks that transfer +- * control elsewhere. +- * +- * Early snapshots of gcc 4.5 don't support this and we can't detect +- * this in the preprocessor, but we can live with this because they're +- * unreleased. Really, we need to have autoconf for the kernel. +- */ +-#define unreachable() __builtin_unreachable() +- +-/* Mark a function definition as prohibited from being cloned. */ +-#define __noclone __attribute__((__noclone__)) +- +-/* +- * Tell the optimizer that something else uses this function or variable. +- */ +-#define __visible __attribute__((externally_visible)) +- +-/* +- * GCC 'asm goto' miscompiles certain code sequences: +- * +- * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670 +- * +- * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. +- * +- * (asm goto is automatically volatile - the naming reflects this.) +- */ +-#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0) +- +-#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP +-#define __HAVE_BUILTIN_BSWAP32__ +-#define __HAVE_BUILTIN_BSWAP64__ +-#define __HAVE_BUILTIN_BSWAP16__ +-#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ +- +-#define KASAN_ABI_VERSION 4 +-- +2.8.2 + -- cgit 1.2.3-korg