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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-23 14:23:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-23 14:23:08 -0700
commit0c4b0f815f20304156f66d47d0c2a6e148f6ffaa (patch)
tree06c62ea33b1ae6be9d4e34b1301a95407329c038 /arch/Kconfig
parentMerge tag 'for-linus' of git://github.com/openrisc/linux (diff)
parentMIPS: lib: Provide MIPS64r6 __multi3() for GCC < 7 (diff)
downloadlinux-dev-0c4b0f815f20304156f66d47d0c2a6e148f6ffaa.tar.xz
linux-dev-0c4b0f815f20304156f66d47d0c2a6e148f6ffaa.zip
Merge tag 'mips_4.19_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Paul Burton: - Fix microMIPS build failures by adding a .insn directive to the barrier_before_unreachable() asm statement in order to convince the toolchain that the asm statement is a valid branch target rather than a bogus attempt to switch ISA. - Clean up our declarations of TLB functions that we overwrite with generated code in order to prevent the compiler making assumptions about alignment that cause microMIPS kernels built with GCC 7 & above to die early during boot. - Fix up a regression for MIPS32 kernels which slipped into the main MIPS pull for 4.19, causing CONFIG_32BIT=y kernels to contain inappropriate MIPS64 instructions. - Extend our existing workaround for MIPSr6 builds that end up using the __multi3 intrinsic to GCC 7 & below, rather than just GCC 7. * tag 'mips_4.19_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: MIPS: lib: Provide MIPS64r6 __multi3() for GCC < 7 MIPS: Workaround GCC __builtin_unreachable reordering bug compiler.h: Allow arch-specific asm/compiler.h MIPS: Avoid move psuedo-instruction whilst using MIPS_ISA_LEVEL MIPS: Consistently declare TLB functions MIPS: Export tlbmiss_handler_setup_pgd near its definition
Diffstat (limited to 'arch/Kconfig')
-rw-r--r--arch/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 4426e9687d89..0a0ea5066fc0 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -841,6 +841,14 @@ config REFCOUNT_FULL
against various use-after-free conditions that can be used in
security flaw exploits.
+config HAVE_ARCH_COMPILER_H
+ bool
+ help
+ An architecture can select this if it provides an
+ asm/compiler.h header that should be included after
+ linux/compiler-*.h in order to override macro definitions that those
+ headers generally provide.
+
config HAVE_ARCH_PREL32_RELOCATIONS
bool
help