diff options
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/arm_sdei.c | 3 | ||||
| -rw-r--r-- | drivers/firmware/dmi_scan.c | 28 | ||||
| -rw-r--r-- | drivers/firmware/efi/arm-runtime.c | 6 | ||||
| -rw-r--r-- | drivers/firmware/efi/libstub/Makefile | 20 |
4 files changed, 30 insertions, 27 deletions
diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c index e6376f985ef7..9cd70d1a5622 100644 --- a/drivers/firmware/arm_sdei.c +++ b/drivers/firmware/arm_sdei.c @@ -165,6 +165,7 @@ static int invoke_sdei_fn(unsigned long function_id, unsigned long arg0, return err; } +NOKPROBE_SYMBOL(invoke_sdei_fn); static struct sdei_event *sdei_event_find(u32 event_num) { @@ -879,6 +880,7 @@ static void sdei_smccc_smc(unsigned long function_id, { arm_smccc_smc(function_id, arg0, arg1, arg2, arg3, arg4, 0, 0, res); } +NOKPROBE_SYMBOL(sdei_smccc_smc); static void sdei_smccc_hvc(unsigned long function_id, unsigned long arg0, unsigned long arg1, @@ -887,6 +889,7 @@ static void sdei_smccc_hvc(unsigned long function_id, { arm_smccc_hvc(function_id, arg0, arg1, arg2, arg3, arg4, 0, 0, res); } +NOKPROBE_SYMBOL(sdei_smccc_hvc); int sdei_register_ghes(struct ghes *ghes, sdei_event_callback *normal_cb, sdei_event_callback *critical_cb) diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 099d83e4e910..fae2d5c43314 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -416,11 +416,8 @@ static void __init save_mem_devices(const struct dmi_header *dm, void *v) nr++; } -void __init dmi_memdev_walk(void) +static void __init dmi_memdev_walk(void) { - if (!dmi_available) - return; - if (dmi_walk_early(count_mem_devices) == 0 && dmi_memdev_nr) { dmi_memdev = dmi_alloc(sizeof(*dmi_memdev) * dmi_memdev_nr); if (dmi_memdev) @@ -614,7 +611,7 @@ static int __init dmi_smbios3_present(const u8 *buf) return 1; } -void __init dmi_scan_machine(void) +static void __init dmi_scan_machine(void) { char __iomem *p, *q; char buf[32]; @@ -769,15 +766,20 @@ static int __init dmi_init(void) subsys_initcall(dmi_init); /** - * dmi_set_dump_stack_arch_desc - set arch description for dump_stack() + * dmi_setup - scan and setup DMI system information * - * Invoke dump_stack_set_arch_desc() with DMI system information so that - * DMI identifiers are printed out on task dumps. Arch boot code should - * call this function after dmi_scan_machine() if it wants to print out DMI - * identifiers on task dumps. + * Scan the DMI system information. This setups DMI identifiers + * (dmi_system_id) for printing it out on task dumps and prepares + * DIMM entry information (dmi_memdev_info) from the SMBIOS table + * for using this when reporting memory errors. */ -void __init dmi_set_dump_stack_arch_desc(void) +void __init dmi_setup(void) { + dmi_scan_machine(); + if (!dmi_available) + return; + + dmi_memdev_walk(); dump_stack_set_arch_desc("%s", dmi_ids_string); } @@ -841,7 +843,7 @@ static bool dmi_is_end_of_table(const struct dmi_system_id *dmi) * returns non zero or we hit the end. Callback function is called for * each successful match. Returns the number of matches. * - * dmi_scan_machine must be called before this function is called. + * dmi_setup must be called before this function is called. */ int dmi_check_system(const struct dmi_system_id *list) { @@ -871,7 +873,7 @@ EXPORT_SYMBOL(dmi_check_system); * Walk the blacklist table until the first match is found. Return the * pointer to the matching entry or NULL if there's no match. * - * dmi_scan_machine must be called before this function is called. + * dmi_setup must be called before this function is called. */ const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list) { diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c index 0c1af675c338..e2ac5fa5531b 100644 --- a/drivers/firmware/efi/arm-runtime.c +++ b/drivers/firmware/efi/arm-runtime.c @@ -162,13 +162,11 @@ void efi_virtmap_unload(void) static int __init arm_dmi_init(void) { /* - * On arm64/ARM, DMI depends on UEFI, and dmi_scan_machine() needs to + * On arm64/ARM, DMI depends on UEFI, and dmi_setup() needs to * be called early because dmi_id_init(), which is an arch_initcall * itself, depends on dmi_scan_machine() having been called already. */ - dmi_scan_machine(); - if (dmi_available) - dmi_set_dump_stack_arch_desc(); + dmi_setup(); return 0; } core_initcall(arm_dmi_init); diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index b0103e16fc1b..0460c7581220 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -16,9 +16,9 @@ cflags-$(CONFIG_X86) += -m$(BITS) -D__KERNEL__ -O2 \ # arm64 uses the full KBUILD_CFLAGS so it's necessary to explicitly # disable the stackleak plugin -cflags-$(CONFIG_ARM64) := $(subst -pg,,$(KBUILD_CFLAGS)) -fpie \ - $(DISABLE_STACKLEAK_PLUGIN) -cflags-$(CONFIG_ARM) := $(subst -pg,,$(KBUILD_CFLAGS)) \ +cflags-$(CONFIG_ARM64) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \ + -fpie $(DISABLE_STACKLEAK_PLUGIN) +cflags-$(CONFIG_ARM) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \ -fno-builtin -fpic \ $(call cc-option,-mno-single-pic-base) @@ -71,7 +71,6 @@ CFLAGS_arm64-stub.o := -DTEXT_OFFSET=$(TEXT_OFFSET) extra-$(CONFIG_EFI_ARMSTUB) := $(lib-y) lib-$(CONFIG_EFI_ARMSTUB) := $(patsubst %.o,%.stub.o,$(lib-y)) -STUBCOPY_RM-y := -R *ksymtab* -R *kcrctab* STUBCOPY_FLAGS-$(CONFIG_ARM64) += --prefix-alloc-sections=.init \ --prefix-symbols=__efistub_ STUBCOPY_RELOC-$(CONFIG_ARM64) := R_AARCH64_ABS @@ -86,12 +85,13 @@ $(obj)/%.stub.o: $(obj)/%.o FORCE # this time, use objcopy and leave all sections in place. # quiet_cmd_stubcopy = STUBCPY $@ - cmd_stubcopy = if $(STRIP) --strip-debug $(STUBCOPY_RM-y) -o $@ $<; \ - then if $(OBJDUMP) -r $@ | grep $(STUBCOPY_RELOC-y); \ - then (echo >&2 "$@: absolute symbol references not allowed in the EFI stub"; \ - rm -f $@; /bin/false); \ - else $(OBJCOPY) $(STUBCOPY_FLAGS-y) $< $@; fi \ - else /bin/false; fi + cmd_stubcopy = \ + $(STRIP) --strip-debug -o $@ $<; \ + if $(OBJDUMP) -r $@ | grep $(STUBCOPY_RELOC-y); then \ + echo "$@: absolute symbol references not allowed in the EFI stub" >&2; \ + /bin/false; \ + fi; \ + $(OBJCOPY) $(STUBCOPY_FLAGS-y) $< $@ # # ARM discards the .data section because it disallows r/w data in the |