diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/efi.h | 7 | ||||
| -rw-r--r-- | include/linux/irqflags.h | 6 | ||||
| -rw-r--r-- | include/linux/prctl.h | 6 |
3 files changed, 16 insertions, 3 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h index 14813b595802..a5f359a7ad0e 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -18,6 +18,7 @@ #include <linux/proc_fs.h> #include <linux/rtc.h> #include <linux/ioport.h> +#include <linux/pfn.h> #include <asm/page.h> #include <asm/system.h> @@ -394,4 +395,10 @@ struct efi_generic_dev_path { u16 length; } __attribute ((packed)); +static inline void memrange_efi_to_native(u64 *addr, u64 *npages) +{ + *npages = PFN_UP(*addr + (*npages<<EFI_PAGE_SHIFT)) - PFN_DOWN(*addr); + *addr &= PAGE_MASK; +} + #endif /* _LINUX_EFI_H */ diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h index 412e025bc5c7..e600c4e9b8c5 100644 --- a/include/linux/irqflags.h +++ b/include/linux/irqflags.h @@ -84,10 +84,10 @@ #define irqs_disabled() \ ({ \ - unsigned long flags; \ + unsigned long _flags; \ \ - raw_local_save_flags(flags); \ - raw_irqs_disabled_flags(flags); \ + raw_local_save_flags(_flags); \ + raw_irqs_disabled_flags(_flags); \ }) #define irqs_disabled_flags(flags) raw_irqs_disabled_flags(flags) diff --git a/include/linux/prctl.h b/include/linux/prctl.h index 3800639775ae..5c80b1939636 100644 --- a/include/linux/prctl.h +++ b/include/linux/prctl.h @@ -67,4 +67,10 @@ #define PR_CAPBSET_READ 23 #define PR_CAPBSET_DROP 24 +/* Get/set the process' ability to use the timestamp counter instruction */ +#define PR_GET_TSC 25 +#define PR_SET_TSC 26 +# define PR_TSC_ENABLE 1 /* allow the use of the timestamp counter */ +# define PR_TSC_SIGSEGV 2 /* throw a SIGSEGV instead of reading the TSC */ + #endif /* _LINUX_PRCTL_H */ |