diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/error-injection.h | 7 | ||||
| -rw-r--r-- | include/linux/error-injection.h | 3 | ||||
| -rw-r--r-- | include/linux/kexec.h | 3 | ||||
| -rw-r--r-- | include/linux/percpu_counter.h | 6 | ||||
| -rw-r--r-- | include/linux/util_macros.h | 2 |
5 files changed, 14 insertions, 7 deletions
diff --git a/include/asm-generic/error-injection.h b/include/asm-generic/error-injection.h index fbca56bd9cbc..b05253f68eaa 100644 --- a/include/asm-generic/error-injection.h +++ b/include/asm-generic/error-injection.h @@ -4,7 +4,6 @@ #if defined(__KERNEL__) && !defined(__ASSEMBLY__) enum { - EI_ETYPE_NONE, /* Dummy value for undefined case */ EI_ETYPE_NULL, /* Return NULL if failure */ EI_ETYPE_ERRNO, /* Return -ERRNO if failure */ EI_ETYPE_ERRNO_NULL, /* Return -ERRNO or NULL if failure */ @@ -20,8 +19,10 @@ struct pt_regs; #ifdef CONFIG_FUNCTION_ERROR_INJECTION /* - * Whitelist generating macro. Specify functions which can be - * error-injectable using this macro. + * Whitelist generating macro. Specify functions which can be error-injectable + * using this macro. If you unsure what is required for the error-injectable + * functions, please read Documentation/fault-injection/fault-injection.rst + * 'Error Injectable Functions' section. */ #define ALLOW_ERROR_INJECTION(fname, _etype) \ static struct error_injection_entry __used \ diff --git a/include/linux/error-injection.h b/include/linux/error-injection.h index 635a95caf29f..20e738f4eae8 100644 --- a/include/linux/error-injection.h +++ b/include/linux/error-injection.h @@ -3,6 +3,7 @@ #define _LINUX_ERROR_INJECTION_H #include <linux/compiler.h> +#include <linux/errno.h> #include <asm-generic/error-injection.h> #ifdef CONFIG_FUNCTION_ERROR_INJECTION @@ -19,7 +20,7 @@ static inline bool within_error_injection_list(unsigned long addr) static inline int get_injectable_error_type(unsigned long addr) { - return EI_ETYPE_NONE; + return -EOPNOTSUPP; } #endif diff --git a/include/linux/kexec.h b/include/linux/kexec.h index 5dd4343c1bbe..6883c5922701 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -403,7 +403,8 @@ extern int kimage_crash_copy_vmcoreinfo(struct kimage *image); extern struct kimage *kexec_image; extern struct kimage *kexec_crash_image; -extern int kexec_load_disabled; + +bool kexec_load_permitted(int kexec_image_type); #ifndef kexec_flush_icache_page #define kexec_flush_icache_page(page) diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h index a3aae8d57a42..521a733e21a9 100644 --- a/include/linux/percpu_counter.h +++ b/include/linux/percpu_counter.h @@ -152,9 +152,11 @@ __percpu_counter_compare(struct percpu_counter *fbc, s64 rhs, s32 batch) static inline void percpu_counter_add(struct percpu_counter *fbc, s64 amount) { - preempt_disable(); + unsigned long flags; + + local_irq_save(flags); fbc->count += amount; - preempt_enable(); + local_irq_restore(flags); } /* non-SMP percpu_counter_add_local is the same with percpu_counter_add */ diff --git a/include/linux/util_macros.h b/include/linux/util_macros.h index 43db6e47503c..6bb460c3e818 100644 --- a/include/linux/util_macros.h +++ b/include/linux/util_macros.h @@ -2,6 +2,8 @@ #ifndef _LINUX_HELPER_MACROS_H_ #define _LINUX_HELPER_MACROS_H_ +#include <linux/math.h> + #define __find_closest(x, a, as, op) \ ({ \ typeof(as) __fc_i, __fc_as = (as) - 1; \ |