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-rw-r--r--arch/s390/kernel/cert_store.c1
-rw-r--r--arch/s390/kernel/ftrace.c7
-rw-r--r--arch/s390/kernel/ipl.c1
-rw-r--r--arch/s390/kernel/irq.c1
-rw-r--r--arch/s390/kernel/kprobes.c4
-rw-r--r--arch/s390/kernel/module.c42
-rw-r--r--arch/s390/kernel/nmi.c1
-rw-r--r--arch/s390/kernel/syscalls/Makefile4
-rw-r--r--arch/s390/kernel/vdso32/Makefile12
-rw-r--r--arch/s390/kernel/vdso64/Makefile12
10 files changed, 20 insertions, 65 deletions
diff --git a/arch/s390/kernel/cert_store.c b/arch/s390/kernel/cert_store.c
index 554447768bdd..bf983513dd33 100644
--- a/arch/s390/kernel/cert_store.c
+++ b/arch/s390/kernel/cert_store.c
@@ -21,6 +21,7 @@
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
+#include <linux/vmalloc.h>
#include <crypto/sha2.h>
#include <keys/user-type.h>
#include <asm/debug.h>
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index c46381ea04ec..ddf2ee47cb87 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -7,13 +7,13 @@
* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
*/
-#include <linux/moduleloader.h>
#include <linux/hardirq.h>
#include <linux/uaccess.h>
#include <linux/ftrace.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/kprobes.h>
+#include <linux/execmem.h>
#include <trace/syscall.h>
#include <asm/asm-offsets.h>
#include <asm/text-patching.h>
@@ -220,7 +220,7 @@ static int __init ftrace_plt_init(void)
{
const char *start, *end;
- ftrace_plt = module_alloc(PAGE_SIZE);
+ ftrace_plt = execmem_alloc(EXECMEM_FTRACE, PAGE_SIZE);
if (!ftrace_plt)
panic("cannot allocate ftrace plt\n");
@@ -296,6 +296,9 @@ void kprobe_ftrace_handler(unsigned long ip, unsigned long parent_ip,
struct kprobe *p;
int bit;
+ if (unlikely(kprobe_ftrace_disabled))
+ return;
+
bit = ftrace_test_recursion_trylock(ip, parent_ip);
if (bit < 0)
return;
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index ff6bd177f69f..3a7d6e172211 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -20,6 +20,7 @@
#include <linux/gfp.h>
#include <linux/crash_dump.h>
#include <linux/debug_locks.h>
+#include <linux/vmalloc.h>
#include <asm/asm-extable.h>
#include <asm/diag.h>
#include <asm/ipl.h>
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 89bcd4205e67..9acc6630abd3 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -29,6 +29,7 @@
#include <asm/hw_irq.h>
#include <asm/stacktrace.h>
#include <asm/softirq_stack.h>
+#include <asm/vtime.h>
#include "entry.h"
DEFINE_PER_CPU_SHARED_ALIGNED(struct irq_stat, irq_stat);
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index d8b8e341cfc2..05c83505e979 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -9,7 +9,6 @@
#define pr_fmt(fmt) "kprobes: " fmt
-#include <linux/moduleloader.h>
#include <linux/kprobes.h>
#include <linux/ptrace.h>
#include <linux/preempt.h>
@@ -21,6 +20,7 @@
#include <linux/slab.h>
#include <linux/hardirq.h>
#include <linux/ftrace.h>
+#include <linux/execmem.h>
#include <asm/set_memory.h>
#include <asm/sections.h>
#include <asm/dis.h>
@@ -35,7 +35,7 @@ void *alloc_insn_page(void)
{
void *page;
- page = module_alloc(PAGE_SIZE);
+ page = execmem_alloc(EXECMEM_KPROBES, PAGE_SIZE);
if (!page)
return NULL;
set_memory_rox((unsigned long)page, 1);
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index 42215f9404af..91e207b50394 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -21,6 +21,7 @@
#include <linux/moduleloader.h>
#include <linux/bug.h>
#include <linux/memory.h>
+#include <linux/execmem.h>
#include <asm/alternative.h>
#include <asm/nospec-branch.h>
#include <asm/facility.h>
@@ -36,47 +37,10 @@
#define PLT_ENTRY_SIZE 22
-static unsigned long get_module_load_offset(void)
-{
- static DEFINE_MUTEX(module_kaslr_mutex);
- static unsigned long module_load_offset;
-
- if (!kaslr_enabled())
- return 0;
- /*
- * Calculate the module_load_offset the first time this code
- * is called. Once calculated it stays the same until reboot.
- */
- mutex_lock(&module_kaslr_mutex);
- if (!module_load_offset)
- module_load_offset = get_random_u32_inclusive(1, 1024) * PAGE_SIZE;
- mutex_unlock(&module_kaslr_mutex);
- return module_load_offset;
-}
-
-void *module_alloc(unsigned long size)
-{
- gfp_t gfp_mask = GFP_KERNEL;
- void *p;
-
- if (PAGE_ALIGN(size) > MODULES_LEN)
- return NULL;
- p = __vmalloc_node_range(size, MODULE_ALIGN,
- MODULES_VADDR + get_module_load_offset(),
- MODULES_END, gfp_mask, PAGE_KERNEL,
- VM_FLUSH_RESET_PERMS | VM_DEFER_KMEMLEAK,
- NUMA_NO_NODE, __builtin_return_address(0));
- if (p && (kasan_alloc_module_shadow(p, size, gfp_mask) < 0)) {
- vfree(p);
- return NULL;
- }
- return p;
-}
-
#ifdef CONFIG_FUNCTION_TRACER
void module_arch_cleanup(struct module *mod)
{
- module_memfree(mod->arch.trampolines_start);
+ execmem_free(mod->arch.trampolines_start);
}
#endif
@@ -510,7 +474,7 @@ static int module_alloc_ftrace_hotpatch_trampolines(struct module *me,
size = FTRACE_HOTPATCH_TRAMPOLINES_SIZE(s->sh_size);
numpages = DIV_ROUND_UP(size, PAGE_SIZE);
- start = module_alloc(numpages * PAGE_SIZE);
+ start = execmem_alloc(EXECMEM_FTRACE, numpages * PAGE_SIZE);
if (!start)
return -ENOMEM;
set_memory_rox((unsigned long)start, numpages);
diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c
index c77382a67325..230d010bac9b 100644
--- a/arch/s390/kernel/nmi.c
+++ b/arch/s390/kernel/nmi.c
@@ -31,6 +31,7 @@
#include <asm/crw.h>
#include <asm/asm-offsets.h>
#include <asm/pai.h>
+#include <asm/vtime.h>
struct mcck_struct {
unsigned int kill_task : 1;
diff --git a/arch/s390/kernel/syscalls/Makefile b/arch/s390/kernel/syscalls/Makefile
index fb85e797946d..1bb78b9468e8 100644
--- a/arch/s390/kernel/syscalls/Makefile
+++ b/arch/s390/kernel/syscalls/Makefile
@@ -4,8 +4,8 @@ gen := arch/$(ARCH)/include/generated
kapi := $(gen)/asm
uapi := $(gen)/uapi/asm
-syscall := $(srctree)/$(src)/syscall.tbl
-systbl := $(srctree)/$(src)/syscalltbl
+syscall := $(src)/syscall.tbl
+systbl := $(src)/syscalltbl
gen-y := $(kapi)/syscall_table.h
kapi-hdrs-y := $(kapi)/unistd_nr.h
diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile
index 4800d80decee..2c5afb88d298 100644
--- a/arch/s390/kernel/vdso32/Makefile
+++ b/arch/s390/kernel/vdso32/Makefile
@@ -1,8 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
# List of files in the vdso
-KCOV_INSTRUMENT := n
-
# Include the generic Makefile to check the built vdso.
include $(srctree)/lib/vdso/Makefile
obj-vdso32 = vdso_user_wrapper-32.o note-32.o
@@ -34,19 +32,13 @@ obj-y += vdso32_wrapper.o
targets += vdso32.lds
CPPFLAGS_vdso32.lds += -P -C -U$(ARCH)
-# Disable gcov profiling, ubsan and kasan for VDSO code
-GCOV_PROFILE := n
-UBSAN_SANITIZE := n
-KASAN_SANITIZE := n
-KCSAN_SANITIZE := n
-
# Force dependency (incbin is bad)
$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
quiet_cmd_vdso_and_check = VDSO $@
cmd_vdso_and_check = $(cmd_ld); $(cmd_vdso_check)
-$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32) FORCE
+$(obj)/vdso32.so.dbg: $(obj)/vdso32.lds $(obj-vdso32) FORCE
$(call if_changed,vdso_and_check)
# strip rule for the .so file
@@ -64,7 +56,7 @@ quiet_cmd_vdso32cc = VDSO32C $@
cmd_vdso32cc = $(CC) $(c_flags) -c -o $@ $<
# Generate VDSO offsets using helper script
-gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh
+gen-vdsosym := $(src)/gen_vdso_offsets.sh
quiet_cmd_vdsosym = VDSOSYM $@
cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile
index 2f2e4e997030..ba19c0ca7c87 100644
--- a/arch/s390/kernel/vdso64/Makefile
+++ b/arch/s390/kernel/vdso64/Makefile
@@ -1,8 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
# List of files in the vdso
-KCOV_INSTRUMENT := n
-
# Include the generic Makefile to check the built vdso.
include $(srctree)/lib/vdso/Makefile
obj-vdso64 = vdso_user_wrapper.o note.o
@@ -39,12 +37,6 @@ obj-y += vdso64_wrapper.o
targets += vdso64.lds
CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)
-# Disable gcov profiling, ubsan and kasan for VDSO code
-GCOV_PROFILE := n
-UBSAN_SANITIZE := n
-KASAN_SANITIZE := n
-KCSAN_SANITIZE := n
-
# Force dependency (incbin is bad)
$(obj)/vdso64_wrapper.o : $(obj)/vdso64.so
@@ -52,7 +44,7 @@ quiet_cmd_vdso_and_check = VDSO $@
cmd_vdso_and_check = $(cmd_ld); $(cmd_vdso_check)
# link rule for the .so file, .lds has to be first
-$(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64) $(obj-cvdso64) FORCE
+$(obj)/vdso64.so.dbg: $(obj)/vdso64.lds $(obj-vdso64) $(obj-cvdso64) FORCE
$(call if_changed,vdso_and_check)
# strip rule for the .so file
@@ -74,7 +66,7 @@ quiet_cmd_vdso64cc = VDSO64C $@
cmd_vdso64cc = $(CC) $(c_flags) -c -o $@ $<
# Generate VDSO offsets using helper script
-gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh
+gen-vdsosym := $(src)/gen_vdso_offsets.sh
quiet_cmd_vdsosym = VDSOSYM $@
cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-16 00:27:42 +0000