diff options
| author | Josh Triplett <josh@joshtriplett.org> | 2012-09-28 17:55:44 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-31 10:10:31 -0700 |
| commit | c1f2d77769770f79d5dd9a8d7ab9615665343fd9 (patch) | |
| tree | 8294721294c2203355c812ee2f374f547db69cf8 /include | |
| parent | 116f83b82e7272fec7f9f0f71376bdc67b159ae2 (diff) | |
efi: Defer freeing boot services memory until after ACPI init
commit 785107923a83d8456bbd8564e288a24d84109a46 upstream.
Some new ACPI 5.0 tables reference resources stored in boot services
memory, so keep that memory around until we have ACPI and can extract
data from it.
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Link: http://lkml.kernel.org/r/baaa6d44bdc4eb0c58e5d1b4ccd2c729f854ac55.1348876882.git.josh@joshtriplett.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/efi.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h index ec45ccd8708a..5782114f4838 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -496,6 +496,11 @@ extern void efi_map_pal_code (void); extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg); extern void efi_gettimeofday (struct timespec *ts); extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */ +#ifdef CONFIG_X86 +extern void efi_free_boot_services(void); +#else +static inline void efi_free_boot_services(void) {} +#endif extern u64 efi_get_iobase (void); extern u32 efi_mem_type (unsigned long phys_addr); extern u64 efi_mem_attributes (unsigned long phys_addr); |