#!/bin/sh # # stackcollapse.py can cover all type of perf samples including # the tracepoints, so no special record requirements, just record what # you want to analyze. # perf record "$@" ef='https://universe.0xinfinity.dev/distro/kernel/atom/arch/x86/power/Makefile?h=linux-6.12.y' type='application/atom+xml'/>
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2020-07-07kbuild: remove cc-option test of -fno-stack-protectorMasahiro Yamada
Some Makefiles already pass -fno-stack-protector unconditionally. For example, arch/arm64/kernel/vdso/Makefile, arch/x86/xen/Makefile. No problem report so far about hard-coding this option. So, we can assume all supported compilers know -fno-stack-protector. GCC 4.8 and Clang support this option (https://godbolt.org/z/_HDGzN) Get rid of cc-option from -fno-stack-protector. Remove CONFIG_CC_HAS_STACKPROTECTOR_NONE, which is always 'y'. Note: arch/mips/vdso/Makefile adds -fno-stack-protector twice, first unconditionally, and second conditionally. I removed the second one. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
2018-10-03x86, hibernate: Extract the common code of 64/32 bit systemZhimin Gu
Reduce the hibernation code duplication between x86-32 and x86-64 by extracting the common code into hibernate.c. Currently only pfn_is_nosave() is the activated common function in hibernate.c No functional change. Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Zhimin Gu <kookoo.gu@intel.com> Signed-off-by: Chen Yu <yu.c.chen@intel.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>