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efi/reboot: Add generic wrapper around EfiResetSystem()

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Implement efi_reboot(), which is really just a wrapper around the
EfiResetSystem() EFI runtime service, but it does at least allow us to
funnel all callers through a single location.

It also simplifies the callsites since users no longer need to check to
see whether EFI_RUNTIME_SERVICES are enabled.

Cc: Tony Luck <tony.luck@intel.com>
Tested-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
This commit is contained in:
Matt Fleming
2014-06-13 12:22:22 +01:00
parent f4f75ad574
commit 8562c99cdd
5 changed files with 33 additions and 7 deletions
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4
include/linux/efi.h
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@@ -20,6 +20,7 @@
#include <linux/ioport.h>
#include <linux/pfn.h>
#include <linux/pstore.h>
#include <linux/reboot.h>
#include <asm/page.h>
@@ -928,11 +929,14 @@ static inline bool efi_enabled(int feature)
{
return test_bit(feature, &efi.flags) != 0;
}
extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused);
#else
static inline bool efi_enabled(int feature)
{
return false;
}
static inline void
efi_reboot(enum reboot_mode reboot_mode, const char *__unused) {}
#endif
/*