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| author | Heiko Carstens <hca@linux.ibm.com> | 2023-08-25 15:29:47 +0300 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2023-08-30 12:03:27 +0300 |
| commit | b6f10e2f66e43b903b1f37b643d353fe364190cd (patch) | |
| tree | 1bdc736099b775db960ecef99e6bd47117531ca9 /arch/s390 | |
| parent | 7b03942ff33c3b242eb4b52d83dac8fa106c063c (diff) | |
| download | linux-b6f10e2f66e43b903b1f37b643d353fe364190cd.tar.xz | |
s390: remove "noexec" option
Do the same like x86 with commit 76ea0025a214 ("x86/cpu: Remove "noexec"")
and remove the "noexec" kernel command line option.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/boot/ipl_parm.c | 7 | ||||
| -rw-r--r-- | arch/s390/boot/startup.c | 2 | ||||
| -rw-r--r-- | arch/s390/include/asm/setup.h | 1 | ||||
| -rw-r--r-- | arch/s390/kernel/early.c | 3 | ||||
| -rw-r--r-- | arch/s390/kernel/setup.c | 1 |
5 files changed, 2 insertions, 12 deletions
diff --git a/arch/s390/boot/ipl_parm.c b/arch/s390/boot/ipl_parm.c index 8753cb0339e5..7b7521762633 100644 --- a/arch/s390/boot/ipl_parm.c +++ b/arch/s390/boot/ipl_parm.c @@ -19,7 +19,6 @@ struct parmarea parmarea __section(".parmarea") = { }; char __bootdata(early_command_line)[COMMAND_LINE_SIZE]; -int __bootdata(noexec_disabled); unsigned int __bootdata_preserved(zlib_dfltcc_support) = ZLIB_DFLTCC_FULL; struct ipl_parameter_block __bootdata_preserved(ipl_block); @@ -290,12 +289,6 @@ void parse_boot_command_line(void) zlib_dfltcc_support = ZLIB_DFLTCC_FULL_DEBUG; } - if (!strcmp(param, "noexec")) { - rc = kstrtobool(val, &enabled); - if (!rc && !enabled) - noexec_disabled = 1; - } - if (!strcmp(param, "facilities") && val) modify_fac_list(val); diff --git a/arch/s390/boot/startup.c b/arch/s390/boot/startup.c index b9681cb22753..caf562be3531 100644 --- a/arch/s390/boot/startup.c +++ b/arch/s390/boot/startup.c @@ -53,7 +53,7 @@ static void detect_facilities(void) } if (test_facility(78)) machine.has_edat2 = 1; - if (!noexec_disabled && test_facility(130)) { + if (test_facility(130)) { machine.has_nx = 1; __ctl_set_bit(0, 20); } diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index b30fe91166e3..25cadc2b9cff 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -72,7 +72,6 @@ extern unsigned int zlib_dfltcc_support; #define ZLIB_DFLTCC_INFLATE_ONLY 3 #define ZLIB_DFLTCC_FULL_DEBUG 4 -extern int noexec_disabled; extern unsigned long ident_map_size; extern unsigned long max_mappable; diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 2dd5976a55ac..3dccc6eb24a8 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -44,7 +44,6 @@ early_param(#param, ignore_decompressor_param_##param) decompressor_handled_param(mem); decompressor_handled_param(vmalloc); decompressor_handled_param(dfltcc); -decompressor_handled_param(noexec); decompressor_handled_param(facilities); decompressor_handled_param(nokaslr); #if IS_ENABLED(CONFIG_KVM) @@ -233,7 +232,7 @@ static __init void detect_machine_facilities(void) S390_lowcore.machine_flags |= MACHINE_FLAG_VX; __ctl_set_bit(0, 17); } - if (test_facility(130) && !noexec_disabled) { + if (test_facility(130)) { S390_lowcore.machine_flags |= MACHINE_FLAG_NX; __ctl_set_bit(0, 20); } diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index c744104e4a9c..5b18f8b1f318 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -145,7 +145,6 @@ static u32 __amode31_ref *__ctl_duald = __ctl_duald_amode31; static u32 __amode31_ref *__ctl_linkage_stack = __ctl_linkage_stack_amode31; static u32 __amode31_ref *__ctl_duct = __ctl_duct_amode31; -int __bootdata(noexec_disabled); unsigned long __bootdata_preserved(max_mappable); unsigned long __bootdata(ident_map_size); struct physmem_info __bootdata(physmem_info); |