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kexec: add IND_FLAGS macro

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Add a new kexec preprocessor macro IND_FLAGS, which is the bitwise OR of
all the possible kexec IND_ kimage_entry indirection flags.  Having this
macro allows for simplified code in the prosessing of the kexec
kimage_entry items.  Also, remove the local powerpc definition and use the
generic one.

Signed-off-by: Geoff Levand <geoff@infradead.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Maximilian Attems <max@stro.at>
Cc: Michal Marek <mmarek@suse.cz>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Geoff Levand 2015-02-17 13:45:58 -08:00 committed by Linus Torvalds
parent cf2df6396b
commit b28c2ee868
2 changed files with 1 additions and 2 deletions
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2
arch/powerpc/kernel/machine_kexec_64.c
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@ -96,8 +96,6 @@ int default_machine_kexec_prepare(struct kimage *image)
return 0; return 0;
} }
#define IND_FLAGS (IND_DESTINATION | IND_INDIRECTION | IND_DONE | IND_SOURCE)
static void copy_segments(unsigned long ind) static void copy_segments(unsigned long ind)
{ {
unsigned long entry; unsigned long entry;

1
include/linux/kexec.h
View File

@ -10,6 +10,7 @@
#define IND_INDIRECTION (1 << IND_INDIRECTION_BIT) #define IND_INDIRECTION (1 << IND_INDIRECTION_BIT)
#define IND_DONE (1 << IND_DONE_BIT) #define IND_DONE (1 << IND_DONE_BIT)
#define IND_SOURCE (1 << IND_SOURCE_BIT) #define IND_SOURCE (1 << IND_SOURCE_BIT)
#define IND_FLAGS (IND_DESTINATION | IND_INDIRECTION | IND_DONE | IND_SOURCE)
#if !defined(__ASSEMBLY__) #if !defined(__ASSEMBLY__)