diff options
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/early.c | 5 | ||||
| -rw-r--r-- | arch/s390/kernel/machine_kexec.c | 4 | ||||
| -rw-r--r-- | arch/s390/kernel/setup.c | 17 | ||||
| -rw-r--r-- | arch/s390/kernel/uv.c | 2 |
4 files changed, 12 insertions, 16 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 2dd5976a55ac..442ce0489e1a 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) @@ -233,10 +232,8 @@ 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); - } if (test_facility(133)) S390_lowcore.machine_flags |= MACHINE_FLAG_GS; if (test_facility(139) && (tod_clock_base.tod >> 63)) { diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c index 12a2bd4fc88c..ce65fc01671f 100644 --- a/arch/s390/kernel/machine_kexec.c +++ b/arch/s390/kernel/machine_kexec.c @@ -216,8 +216,8 @@ void arch_crash_save_vmcoreinfo(void) VMCOREINFO_SYMBOL(lowcore_ptr); VMCOREINFO_SYMBOL(high_memory); VMCOREINFO_LENGTH(lowcore_ptr, NR_CPUS); - vmcoreinfo_append_str("SAMODE31=%lx\n", __samode31); - vmcoreinfo_append_str("EAMODE31=%lx\n", __eamode31); + vmcoreinfo_append_str("SAMODE31=%lx\n", (unsigned long)__samode31); + vmcoreinfo_append_str("EAMODE31=%lx\n", (unsigned long)__eamode31); vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset()); abs_lc = get_abs_lowcore(); abs_lc->vmcore_info = paddr_vmcoreinfo_note(); diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index c744104e4a9c..de6ad0fb2328 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -97,10 +97,10 @@ EXPORT_SYMBOL(console_irq); * relocated above 2 GB, because it has to use 31 bit addresses. * Such code and data is part of the .amode31 section. */ -unsigned long __amode31_ref __samode31 = (unsigned long)&_samode31; -unsigned long __amode31_ref __eamode31 = (unsigned long)&_eamode31; -unsigned long __amode31_ref __stext_amode31 = (unsigned long)&_stext_amode31; -unsigned long __amode31_ref __etext_amode31 = (unsigned long)&_etext_amode31; +char __amode31_ref *__samode31 = _samode31; +char __amode31_ref *__eamode31 = _eamode31; +char __amode31_ref *__stext_amode31 = _stext_amode31; +char __amode31_ref *__etext_amode31 = _etext_amode31; struct exception_table_entry __amode31_ref *__start_amode31_ex_table = _start_amode31_ex_table; struct exception_table_entry __amode31_ref *__stop_amode31_ex_table = _stop_amode31_ex_table; @@ -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); @@ -771,15 +770,15 @@ static void __init setup_memory(void) static void __init relocate_amode31_section(void) { unsigned long amode31_size = __eamode31 - __samode31; - long amode31_offset = physmem_info.reserved[RR_AMODE31].start - __samode31; - long *ptr; + long amode31_offset, *ptr; + amode31_offset = physmem_info.reserved[RR_AMODE31].start - (unsigned long)__samode31; pr_info("Relocating AMODE31 section of size 0x%08lx\n", amode31_size); /* Move original AMODE31 section to the new one */ - memmove((void *)physmem_info.reserved[RR_AMODE31].start, (void *)__samode31, amode31_size); + memmove((void *)physmem_info.reserved[RR_AMODE31].start, __samode31, amode31_size); /* Zero out the old AMODE31 section to catch invalid accesses within it */ - memset((void *)__samode31, 0, amode31_size); + memset(__samode31, 0, amode31_size); /* Update all AMODE31 region references */ for (ptr = _start_amode31_refs; ptr != _end_amode31_refs; ptr++) diff --git a/arch/s390/kernel/uv.c b/arch/s390/kernel/uv.c index b771f1b4cdd1..fc07bc39e698 100644 --- a/arch/s390/kernel/uv.c +++ b/arch/s390/kernel/uv.c @@ -258,7 +258,7 @@ static bool should_export_before_import(struct uv_cb_header *uvcb, struct mm_str * shared page from a different protected VM will automatically also * transfer its ownership. */ - if (test_bit_inv(BIT_UV_FEAT_MISC, &uv_info.uv_feature_indications)) + if (uv_has_feature(BIT_UV_FEAT_MISC)) return false; if (uvcb->cmd == UVC_CMD_UNPIN_PAGE_SHARED) return false; |