diff options
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r-- | arch/s390/kernel/asm-offsets.c | 1 | ||||
-rw-r--r-- | arch/s390/kernel/debug.c | 12 | ||||
-rw-r--r-- | arch/s390/kernel/diag/diag324.c | 4 | ||||
-rw-r--r-- | arch/s390/kernel/early.c | 3 | ||||
-rw-r--r-- | arch/s390/kernel/hiperdispatch.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/process.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/topology.c | 20 | ||||
-rw-r--r-- | arch/s390/kernel/uv.c | 12 | ||||
-rw-r--r-- | arch/s390/kernel/vmlinux.lds.S | 10 |
9 files changed, 28 insertions, 38 deletions
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index 95ecad9c7d7d..a8915663e917 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -4,6 +4,7 @@ * This code generates raw asm output which is post-processed to extract * and format the required data. */ +#define COMPILE_OFFSETS #include <linux/kbuild.h> #include <linux/sched.h> diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index c62100dc62c8..6a26f202441d 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -1416,18 +1416,12 @@ static inline char *debug_get_user_string(const char __user *user_buf, { char *buffer; - buffer = kmalloc(user_len + 1, GFP_KERNEL); - if (!buffer) - return ERR_PTR(-ENOMEM); - if (copy_from_user(buffer, user_buf, user_len) != 0) { - kfree(buffer); - return ERR_PTR(-EFAULT); - } + buffer = memdup_user_nul(user_buf, user_len); + if (IS_ERR(buffer)) + return buffer; /* got the string, now strip linefeed. */ if (buffer[user_len - 1] == '\n') buffer[user_len - 1] = 0; - else - buffer[user_len] = 0; return buffer; } diff --git a/arch/s390/kernel/diag/diag324.c b/arch/s390/kernel/diag/diag324.c index 7fa4c0b7eb6c..f0a8b4841fb9 100644 --- a/arch/s390/kernel/diag/diag324.c +++ b/arch/s390/kernel/diag/diag324.c @@ -116,7 +116,7 @@ static void pibwork_handler(struct work_struct *work) mutex_lock(&pibmutex); timedout = ktime_add_ns(data->expire, PIBWORK_DELAY); if (ktime_before(ktime_get(), timedout)) { - mod_delayed_work(system_wq, &pibwork, nsecs_to_jiffies(PIBWORK_DELAY)); + mod_delayed_work(system_percpu_wq, &pibwork, nsecs_to_jiffies(PIBWORK_DELAY)); goto out; } vfree(data->pib); @@ -174,7 +174,7 @@ long diag324_pibbuf(unsigned long arg) pib_update(data); data->sequence++; data->expire = ktime_add_ns(ktime_get(), tod_to_ns(data->pib->intv)); - mod_delayed_work(system_wq, &pibwork, nsecs_to_jiffies(PIBWORK_DELAY)); + mod_delayed_work(system_percpu_wq, &pibwork, nsecs_to_jiffies(PIBWORK_DELAY)); first = false; } rc = data->rc; diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 9adfbdd377dc..544e5403dd91 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -21,6 +21,7 @@ #include <linux/kernel.h> #include <asm/asm-extable.h> #include <linux/memblock.h> +#include <linux/kasan.h> #include <asm/access-regs.h> #include <asm/asm-offsets.h> #include <asm/machine.h> @@ -65,7 +66,7 @@ static void __init kasan_early_init(void) { #ifdef CONFIG_KASAN init_task.kasan_depth = 0; - pr_info("KernelAddressSanitizer initialized\n"); + kasan_init_generic(); #endif } diff --git a/arch/s390/kernel/hiperdispatch.c b/arch/s390/kernel/hiperdispatch.c index e7b66d046e8d..2507bc3f7757 100644 --- a/arch/s390/kernel/hiperdispatch.c +++ b/arch/s390/kernel/hiperdispatch.c @@ -191,7 +191,7 @@ int hd_enable_hiperdispatch(void) return 0; if (hd_online_cores <= hd_entitled_cores) return 0; - mod_delayed_work(system_wq, &hd_capacity_work, HD_DELAY_INTERVAL * hd_delay_factor); + mod_delayed_work(system_dfl_wq, &hd_capacity_work, HD_DELAY_INTERVAL * hd_delay_factor); hd_update_capacities(); return 1; } diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index f55f09cda6f8..b107dbca4ed7 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -106,7 +106,7 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) int copy_thread(struct task_struct *p, const struct kernel_clone_args *args) { - unsigned long clone_flags = args->flags; + u64 clone_flags = args->flags; unsigned long new_stackp = args->stack; unsigned long tls = args->tls; struct fake_frame diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 46569b8e47dd..1594c80e9bc4 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -509,33 +509,27 @@ int topology_cpu_init(struct cpu *cpu) return rc; } -static const struct cpumask *cpu_thread_mask(int cpu) -{ - return &cpu_topology[cpu].thread_mask; -} - - const struct cpumask *cpu_coregroup_mask(int cpu) { return &cpu_topology[cpu].core_mask; } -static const struct cpumask *cpu_book_mask(int cpu) +static const struct cpumask *tl_book_mask(struct sched_domain_topology_level *tl, int cpu) { return &cpu_topology[cpu].book_mask; } -static const struct cpumask *cpu_drawer_mask(int cpu) +static const struct cpumask *tl_drawer_mask(struct sched_domain_topology_level *tl, int cpu) { return &cpu_topology[cpu].drawer_mask; } static struct sched_domain_topology_level s390_topology[] = { - SDTL_INIT(cpu_thread_mask, cpu_smt_flags, SMT), - SDTL_INIT(cpu_coregroup_mask, cpu_core_flags, MC), - SDTL_INIT(cpu_book_mask, NULL, BOOK), - SDTL_INIT(cpu_drawer_mask, NULL, DRAWER), - SDTL_INIT(cpu_cpu_mask, NULL, PKG), + SDTL_INIT(tl_smt_mask, cpu_smt_flags, SMT), + SDTL_INIT(tl_mc_mask, cpu_core_flags, MC), + SDTL_INIT(tl_book_mask, NULL, BOOK), + SDTL_INIT(tl_drawer_mask, NULL, DRAWER), + SDTL_INIT(tl_pkg_mask, NULL, PKG), { NULL, }, }; diff --git a/arch/s390/kernel/uv.c b/arch/s390/kernel/uv.c index 47f574cd1728..93b2a01bae40 100644 --- a/arch/s390/kernel/uv.c +++ b/arch/s390/kernel/uv.c @@ -144,7 +144,7 @@ int uv_destroy_folio(struct folio *folio) folio_get(folio); rc = uv_destroy(folio_to_phys(folio)); if (!rc) - clear_bit(PG_arch_1, &folio->flags); + clear_bit(PG_arch_1, &folio->flags.f); folio_put(folio); return rc; } @@ -193,7 +193,7 @@ int uv_convert_from_secure_folio(struct folio *folio) folio_get(folio); rc = uv_convert_from_secure(folio_to_phys(folio)); if (!rc) - clear_bit(PG_arch_1, &folio->flags); + clear_bit(PG_arch_1, &folio->flags.f); folio_put(folio); return rc; } @@ -289,7 +289,7 @@ static int __make_folio_secure(struct folio *folio, struct uv_cb_header *uvcb) expected = expected_folio_refs(folio) + 1; if (!folio_ref_freeze(folio, expected)) return -EBUSY; - set_bit(PG_arch_1, &folio->flags); + set_bit(PG_arch_1, &folio->flags.f); /* * If the UVC does not succeed or fail immediately, we don't want to * loop for long, or we might get stall notifications. @@ -483,18 +483,18 @@ int arch_make_folio_accessible(struct folio *folio) * convert_to_secure. * As secure pages are never large folios, both variants can co-exists. */ - if (!test_bit(PG_arch_1, &folio->flags)) + if (!test_bit(PG_arch_1, &folio->flags.f)) return 0; rc = uv_pin_shared(folio_to_phys(folio)); if (!rc) { - clear_bit(PG_arch_1, &folio->flags); + clear_bit(PG_arch_1, &folio->flags.f); return 0; } rc = uv_convert_from_secure(folio_to_phys(folio)); if (!rc) { - clear_bit(PG_arch_1, &folio->flags); + clear_bit(PG_arch_1, &folio->flags.f); return 0; } diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 1c606dfa595d..feecf1a6ddb4 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -209,6 +209,11 @@ SECTIONS . = ALIGN(PAGE_SIZE); _end = . ; + /* Debugging sections. */ + STABS_DEBUG + DWARF_DEBUG + ELF_DETAILS + /* * uncompressed image info used by the decompressor * it should match struct vmlinux_info @@ -239,11 +244,6 @@ SECTIONS #endif } :NONE - /* Debugging sections. */ - STABS_DEBUG - DWARF_DEBUG - ELF_DETAILS - /* * Make sure that the .got.plt is either completely empty or it * contains only the three reserved double words. |