diff options
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/boot/vmem.c | 15 | ||||
-rw-r--r-- | arch/s390/configs/debug_defconfig | 1 | ||||
-rw-r--r-- | arch/s390/configs/defconfig | 1 | ||||
-rw-r--r-- | arch/s390/include/asm/pgtable.h | 3 | ||||
-rw-r--r-- | arch/s390/include/asm/physmem_info.h | 5 | ||||
-rw-r--r-- | arch/s390/kernel/crash_dump.c | 2 | ||||
-rw-r--r-- | arch/s390/mm/pageattr.c | 1 | ||||
-rw-r--r-- | arch/s390/mm/vmem.c | 14 | ||||
-rw-r--r-- | arch/s390/purgatory/Makefile | 1 |
9 files changed, 29 insertions, 14 deletions
diff --git a/arch/s390/boot/vmem.c b/arch/s390/boot/vmem.c index acb1f8b53105..c67f59db7a51 100644 --- a/arch/s390/boot/vmem.c +++ b/arch/s390/boot/vmem.c @@ -45,6 +45,13 @@ static void pgtable_populate(unsigned long addr, unsigned long end, enum populat static pte_t pte_z; +static inline void kasan_populate(unsigned long start, unsigned long end, enum populate_mode mode) +{ + start = PAGE_ALIGN_DOWN(__sha(start)); + end = PAGE_ALIGN(__sha(end)); + pgtable_populate(start, end, mode); +} + static void kasan_populate_shadow(void) { pmd_t pmd_z = __pmd(__pa(kasan_early_shadow_pte) | _SEGMENT_ENTRY); @@ -95,17 +102,17 @@ static void kasan_populate_shadow(void) */ for_each_physmem_usable_range(i, &start, &end) - pgtable_populate(__sha(start), __sha(end), POPULATE_KASAN_MAP_SHADOW); + kasan_populate(start, end, POPULATE_KASAN_MAP_SHADOW); if (IS_ENABLED(CONFIG_KASAN_VMALLOC)) { untracked_end = VMALLOC_START; /* shallowly populate kasan shadow for vmalloc and modules */ - pgtable_populate(__sha(VMALLOC_START), __sha(MODULES_END), POPULATE_KASAN_SHALLOW); + kasan_populate(VMALLOC_START, MODULES_END, POPULATE_KASAN_SHALLOW); } else { untracked_end = MODULES_VADDR; } /* populate kasan shadow for untracked memory */ - pgtable_populate(__sha(ident_map_size), __sha(untracked_end), POPULATE_KASAN_ZERO_SHADOW); - pgtable_populate(__sha(MODULES_END), __sha(_REGION1_SIZE), POPULATE_KASAN_ZERO_SHADOW); + kasan_populate(ident_map_size, untracked_end, POPULATE_KASAN_ZERO_SHADOW); + kasan_populate(MODULES_END, _REGION1_SIZE, POPULATE_KASAN_ZERO_SHADOW); } static bool kasan_pgd_populate_zero_shadow(pgd_t *pgd, unsigned long addr, diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig index be3bf03bf361..aa95cf6dfabb 100644 --- a/arch/s390/configs/debug_defconfig +++ b/arch/s390/configs/debug_defconfig @@ -116,6 +116,7 @@ CONFIG_UNIX=y CONFIG_UNIX_DIAG=m CONFIG_XFRM_USER=m CONFIG_NET_KEY=m +CONFIG_NET_TC_SKB_EXT=y CONFIG_SMC=m CONFIG_SMC_DIAG=m CONFIG_INET=y diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig index 769c7eed8b6a..f041945f9148 100644 --- a/arch/s390/configs/defconfig +++ b/arch/s390/configs/defconfig @@ -107,6 +107,7 @@ CONFIG_UNIX=y CONFIG_UNIX_DIAG=m CONFIG_XFRM_USER=m CONFIG_NET_KEY=m +CONFIG_NET_TC_SKB_EXT=y CONFIG_SMC=m CONFIG_SMC_DIAG=m CONFIG_INET=y diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 6822a11c2c8a..c55f3c3365af 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -42,9 +42,6 @@ static inline void update_page_count(int level, long count) atomic_long_add(count, &direct_pages_count[level]); } -struct seq_file; -void arch_report_meminfo(struct seq_file *m); - /* * The S390 doesn't have any external MMU info: the kernel page * tables contain all the necessary information. diff --git a/arch/s390/include/asm/physmem_info.h b/arch/s390/include/asm/physmem_info.h index 8e9c582592b3..9e41a74fce9a 100644 --- a/arch/s390/include/asm/physmem_info.h +++ b/arch/s390/include/asm/physmem_info.h @@ -3,6 +3,7 @@ #define _ASM_S390_MEM_DETECT_H #include <linux/types.h> +#include <asm/page.h> enum physmem_info_source { MEM_DETECT_NONE = 0, @@ -133,7 +134,7 @@ static inline const char *get_rr_type_name(enum reserved_range_type t) #define for_each_physmem_reserved_type_range(t, range, p_start, p_end) \ for (range = &physmem_info.reserved[t], *p_start = range->start, *p_end = range->end; \ - range && range->end; range = range->chain, \ + range && range->end; range = range->chain ? __va(range->chain) : NULL, \ *p_start = range ? range->start : 0, *p_end = range ? range->end : 0) static inline struct reserved_range *__physmem_reserved_next(enum reserved_range_type *t, @@ -145,7 +146,7 @@ static inline struct reserved_range *__physmem_reserved_next(enum reserved_range return range; } if (range->chain) - return range->chain; + return __va(range->chain); while (++*t < RR_MAX) { range = &physmem_info.reserved[*t]; if (range->end) diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c index 8a617be28bb4..7af69948b290 100644 --- a/arch/s390/kernel/crash_dump.c +++ b/arch/s390/kernel/crash_dump.c @@ -568,9 +568,9 @@ static size_t get_elfcorehdr_size(int mem_chunk_cnt) int elfcorehdr_alloc(unsigned long long *addr, unsigned long long *size) { Elf64_Phdr *phdr_notes, *phdr_loads; + size_t alloc_size; int mem_chunk_cnt; void *ptr, *hdr; - u32 alloc_size; u64 hdr_off; /* If we are not in kdump or zfcp/nvme dump mode return */ diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c index 5ba3bd8a7b12..ca5a418c58a8 100644 --- a/arch/s390/mm/pageattr.c +++ b/arch/s390/mm/pageattr.c @@ -4,6 +4,7 @@ * Author(s): Jan Glauber <jang@linux.vnet.ibm.com> */ #include <linux/hugetlb.h> +#include <linux/proc_fs.h> #include <linux/vmalloc.h> #include <linux/mm.h> #include <asm/cacheflush.h> diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 5b22c6e24528..b9dcb4ae6c59 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -667,7 +667,15 @@ static void __init memblock_region_swap(void *a, void *b, int size) #ifdef CONFIG_KASAN #define __sha(x) ((unsigned long)kasan_mem_to_shadow((void *)x)) + +static inline int set_memory_kasan(unsigned long start, unsigned long end) +{ + start = PAGE_ALIGN_DOWN(__sha(start)); + end = PAGE_ALIGN(__sha(end)); + return set_memory_rwnx(start, (end - start) >> PAGE_SHIFT); +} #endif + /* * map whole physical memory to virtual memory (identity mapping) * we reserve enough space in the vmalloc area for vmemmap to hotplug @@ -737,10 +745,8 @@ void __init vmem_map_init(void) } #ifdef CONFIG_KASAN - for_each_mem_range(i, &base, &end) { - set_memory_rwnx(__sha(base), - (__sha(end) - __sha(base)) >> PAGE_SHIFT); - } + for_each_mem_range(i, &base, &end) + set_memory_kasan(base, end); #endif set_memory_rox((unsigned long)_stext, (unsigned long)(_etext - _stext) >> PAGE_SHIFT); diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile index 32573b4f9bd2..cc8cf5abea15 100644 --- a/arch/s390/purgatory/Makefile +++ b/arch/s390/purgatory/Makefile @@ -26,6 +26,7 @@ KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare KBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding KBUILD_CFLAGS += -Os -m64 -msoft-float -fno-common KBUILD_CFLAGS += -fno-stack-protector +KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING KBUILD_CFLAGS += $(CLANG_FLAGS) KBUILD_CFLAGS += $(call cc-option,-fno-PIE) KBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS)) |