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2019-02-06Linux 4.14.98Greg Kroah-Hartman
2019-01-31Linux 4.14.97Greg Kroah-Hartman
2019-01-26Linux 4.14.96Greg Kroah-Hartman
2019-01-23Linux 4.14.95Greg Kroah-Hartman
2019-01-16Linux 4.14.94Greg Kroah-Hartman
2019-01-13Linux 4.14.93Greg Kroah-Hartman
2019-01-13Makefile: Export clang toolchain variablesJoel Stanley
commit 3bd9805090af843b25f97ffe5049f20ade1d86d6 upstream. The powerpc makefile will use these in it's boot wrapper. Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-13kbuild: consolidate Clang compiler flagsMasahiro Yamada
commit 238bcbc4e07fad2fff99c5b157d0c37ccd4d093c upstream. Collect basic Clang options such as --target, --prefix, --gcc-toolchain, -no-integrated-as into a single variable CLANG_FLAGS so that it can be easily reused in other parts of Makefile. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Tested-by: Nick Desaulniers <ndesaulniers@google.com> Acked-by: Greg Hackmann <ghackmann@google.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-13kbuild: add -no-integrated-as Clang option unconditionallyMasahiro Yamada
commit dbe27a002ef8573168cb64e181458ea23a74e2b6 upstream. We are still a way off the Clang's integrated assembler support for the kernel. Hence, -no-integrated-as is mandatory to build the kernel with Clang. If you had an ancient version of Clang that does not recognize this option, you would not be able to compile the kernel anyway. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Tested-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-13kbuild: fix false positive warning/error about missing libelfMasahiro Yamada
[ Upstream commit ef7cfd00b2caf6edeb7f169682b64be2d0a798cf ] For the same reason as commit 25896d073d8a ("x86/build: Fix compiler support check for CONFIG_RETPOLINE"), you cannot put this $(error ...) into the parse stage of the top Makefile. Perhaps I'd propose a more sophisticated solution later, but this is the best I can do for now. Link: https://lkml.org/lkml/2017/12/25/211 Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com> Reported-by: Bernd Edlinger <bernd.edlinger@hotmail.de> Reported-by: Qian Cai <cai@lca.pw> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Tested-by: Qian Cai <cai@lca.pw> Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-01-09Linux 4.14.92Greg Kroah-Hartman
2018-12-29Linux 4.14.91Greg Kroah-Hartman
2018-12-21Linux 4.14.90Greg Kroah-Hartman
2018-12-17Linux 4.14.89Greg Kroah-Hartman
2018-12-13Linux 4.14.88Greg Kroah-Hartman
2018-12-08Linux 4.14.87Greg Kroah-Hartman
2018-12-08disable stringop truncation warnings for nowStephen Rothwell
commit 217c3e0196758662aa0429863b09d1c13da1c5d6 upstream. They are too noisy Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05Linux 4.14.86Greg Kroah-Hartman
2018-12-01Linux 4.14.85Greg Kroah-Hartman
2018-12-01kbuild: allow to use GCC toolchain not in Clang search pathStefan Agner
commit ef8c4ed9db80261f397f0c0bf723684601ae3b52 upstream. When using a GCC cross toolchain which is not in a compiled in Clang search path, Clang reverts to the system assembler and linker. This leads to assembler or linker errors, depending on which tool is first used for a given architecture. It seems that Clang is not searching $PATH for a matching assembler or linker. Make sure that Clang picks up the correct assembler or linker by passing the cross compilers bin directory as search path. This allows to use Clang provided by distributions with GCC toolchains not in /usr/bin. Link: https://github.com/ClangBuiltLinux/linux/issues/78 Signed-off-by: Stefan Agner <stefan@agner.ch> Reviewed-and-tested-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> [nc: Adjust context] Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-27Linux 4.14.84Greg Kroah-Hartman
2018-11-23Linux 4.14.83Greg Kroah-Hartman
2018-11-21Linux 4.14.82Greg Kroah-Hartman
2018-11-13Linux 4.14.81Greg Kroah-Hartman
2018-11-10Linux 4.14.80Greg Kroah-Hartman
2018-11-04Linux 4.14.79Greg Kroah-Hartman
2018-11-04kbuild: set no-integrated-as before incl. arch MakefileStefan Agner
[ Upstream commit 0f0e8de334c54c38818a4a5390a39aa09deff5bf ] In order to make sure compiler flag detection for ARM works correctly the no-integrated-as flags need to be set before including the arch specific Makefile. Fixes: cfe17c9bbe6a ("kbuild: move cc-option and cc-disable-warning after incl. arch Makefile") Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2018-10-20Linux 4.14.78Greg Kroah-Hartman
2018-10-18Linux 4.14.77Greg Kroah-Hartman
2018-10-13Linux 4.14.76Greg Kroah-Hartman
2018-10-10Linux 4.14.75Greg Kroah-Hartman
2018-10-03Linux 4.14.74Greg Kroah-Hartman
2018-09-29Linux 4.14.73Greg Kroah-Hartman
2018-09-26Linux 4.14.72Greg Kroah-Hartman
2018-09-19Linux 4.14.71Greg Kroah-Hartman
2018-09-15Linux 4.14.70Greg Kroah-Hartman
2018-09-09Linux 4.14.69Greg Kroah-Hartman
2018-09-05Linux 4.14.68Greg Kroah-Hartman
2018-09-05x86/vdso: Fix vDSO build if a retpoline is emittedAndy Lutomirski
commit 2e549b2ee0e358bc758480e716b881f9cabedb6a upstream. Currently, if the vDSO ends up containing an indirect branch or call, GCC will emit the "external thunk" style of retpoline, and it will fail to link. Fix it by building the vDSO with inline retpoline thunks. I haven't seen any reports of this triggering on an unpatched kernel. Fixes: commit 76b043848fd2 ("x86/retpoline: Add initial retpoline support") Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Matt Rickard <matt@softrans.com.au> Cc: Borislav Petkov <bp@alien8.de> Cc: Jason Vas Dias <jason.vas.dias@gmail.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/c76538cd3afbe19c6246c2d1715bc6a60bd63985.1534448381.git.luto@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-24Linux 4.14.67Greg Kroah-Hartman
2018-08-24kbuild: suppress warnings from 'getconf LFS_*'Masahiro Yamada
[ Upstream commit 6d79a7b424a5630a6fcab31fd7c38af4ea9c9a0f ] Suppress warnings for systems that do not recognize LFS_*. getconf: no such configuration parameter `LFS_CFLAGS' getconf: no such configuration parameter `LFS_LDFLAGS' getconf: no such configuration parameter `LFS_LIBS' Fixes: d7f14c66c273 ("kbuild: Enable Large File Support for hostprogs") Reported-by: Chen Feng <puck.chen@hisilicon.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-22Linux 4.14.66Greg Kroah-Hartman
2018-08-18Linux 4.14.65Greg Kroah-Hartman
2018-08-17Linux 4.14.64Greg Kroah-Hartman
2018-08-15Linux 4.14.63Greg Kroah-Hartman
2018-08-09Linux 4.14.62Greg Kroah-Hartman
2018-08-06Linux 4.14.61Greg Kroah-Hartman
2018-08-03Linux 4.14.60Greg Kroah-Hartman
2018-07-28Linux 4.14.59Greg Kroah-Hartman
2018-07-28turn off -Wattribute-aliasArnd Bergmann
Starting with gcc-8.1, we get a warning about all system call definitions, which use an alias between functions with incompatible prototypes, e.g.: In file included from ../mm/process_vm_access.c:19: ../include/linux/syscalls.h:211:18: warning: 'sys_process_vm_readv' alias between functions of incompatible types 'long int(pid_t, const struct iovec *, long unsigned int, const struct iovec *, long unsigned int, long unsigned int)' {aka 'long int(int, const struct iovec *, long unsigned int, const struct iovec *, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int, long int, long int)' [-Wattribute-alias] asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ ^~~ ../include/linux/syscalls.h:207:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ ../include/linux/syscalls.h:201:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ ../mm/process_vm_access.c:300:1: note: in expansion of macro 'SYSCALL_DEFINE6' SYSCALL_DEFINE6(process_vm_readv, pid_t, pid, const struct iovec __user *, lvec, ^~~~~~~~~~~~~~~ ../include/linux/syscalls.h:215:18: note: aliased declaration here asmlinkage long SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ ^~~ ../include/linux/syscalls.h:207:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ ../include/linux/syscalls.h:201:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ ../mm/process_vm_access.c:300:1: note: in expansion of macro 'SYSCALL_DEFINE6' SYSCALL_DEFINE6(process_vm_readv, pid_t, pid, const struct iovec __user *, lvec, This is really noisy and does not indicate a real problem. In the latest mainline kernel, this was addressed by commit bee20031772a ("disable -Wattribute-alias warning for SYSCALL_DEFINEx()"), which seems too invasive to backport. This takes a much simpler approach and just disables the warning across the kernel. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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