AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/arch/x86/um
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Masahiro Yamada 893ab00439 kbuild: remove cc-option test of -fno-stack-protector 
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>
2020-07-07 11:13:10 +09:00
..
asm take the dummy csum_and_copy_from_user() into net/checksum.h 2020-05-29 16:11:50 -04:00
os-Linux License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
shared/sysdep um: Remove update_debugregs() 2018-10-29 22:23:11 +01:00
vdso kbuild: remove cc-option test of -fno-stack-protector 2020-07-07 11:13:10 +09:00
bugs_32.c um: get rid of pointless include "..." where include <...> will do 2012-10-09 22:28:45 +02:00
bugs_64.c um: get rid of pointless include "..." where include <...> will do 2012-10-09 22:28:45 +02:00
checksum_32.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
delay.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
elfcore.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fault.c um: don't compare a pointer to 0 2012-12-20 11:49:39 -08:00
Kconfig kbuild: use KBUILD_DEFCONFIG as the fallback for DEFCONFIG_LIST 2020-03-03 20:49:21 +09:00
ldt.c x86/entry: Use SYSCALL_DEFINE() macros for sys_modify_ldt() 2017-10-20 10:37:33 +02:00
Makefile x86/entry/32: Use IA32-specific wrappers for syscalls taking 64-bit arguments 2020-03-21 16:03:24 +01:00
mem_32.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mem_64.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ptrace_32.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
ptrace_64.c um: Fix PTRACE_POKEUSER on x86_64 2017-05-03 22:35:31 +02:00
ptrace_user.c um: get rid of pointless include "..." where include <...> will do 2012-10-09 22:28:45 +02:00
setjmp_32.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
setjmp_64.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
signal.c signal: Remove task parameter from force_sig 2019-05-27 09:36:28 -05:00
stub_32.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stub_64.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stub_segv.c um: Compile with modern headers 2018-03-29 22:15:12 +02:00
sys_call_table_32.c x86/entry: Remove syscall qualifier support 2020-03-21 16:03:22 +01:00
sys_call_table_64.c x86/entry/64: Add __SYSCALL_COMMON() 2020-03-21 16:03:22 +01:00
syscalls_32.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
syscalls_64.c um/arch_prctl: Fix fallout from x86 arch_prctl() rework 2017-03-21 10:08:29 +01:00
sysrq_32.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h> 2017-03-02 08:42:34 +01:00
sysrq_64.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h> 2017-03-02 08:42:34 +01:00
tls_32.c um: Implement copy_thread_tls 2020-01-07 13:31:29 +01:00
tls_64.c um: Implement copy_thread_tls 2020-01-07 13:31:29 +01:00
user-offsets.c x86/entry: Move max syscall number calculation to syscallhdr.sh 2020-03-21 16:03:21 +01:00