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authorWill Deacon <will.deacon@arm.com>2017-06-12 14:43:25 +0100
committerWill Deacon <will.deacon@arm.com>2017-06-12 14:43:25 +0100
commit687644209a6e95576ea453977b26dbd6248cadda (patch)
tree4be4a28254ff555edd52585f9b642311aad1cda0 /arch/arm64/include/asm/pgtable.h
parentarm64: fault: Print info about page table structure when dumping pte (diff)
downloadlinux-dev-687644209a6e95576ea453977b26dbd6248cadda.tar.xz
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arm64: ftrace: fix building without CONFIG_MODULES
When CONFIG_MODULES is disabled, we cannot dereference a module pointer: arch/arm64/kernel/ftrace.c: In function 'ftrace_make_call': arch/arm64/kernel/ftrace.c:107:36: error: dereferencing pointer to incomplete type 'struct module' trampoline = (unsigned long *)mod->arch.ftrace_trampoline; Also, the within_module() function is not defined: arch/arm64/kernel/ftrace.c: In function 'ftrace_make_nop': arch/arm64/kernel/ftrace.c:171:8: error: implicit declaration of function 'within_module'; did you mean 'init_module'? [-Werror=implicit-function-declaration] This addresses both by adding replacing the IS_ENABLED(CONFIG_ARM64_MODULE_PLTS) checks with #ifdef versions. Fixes: e71a4e1bebaf ("arm64: ftrace: add support for far branches to dynamic ftrace") Reported-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
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