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[S390] cleanup psw related bits and pieces

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Split out addressing mode bits from PSW_BASE_BITS, rename PSW_BASE_BITS
to PSW_MASK_BASE, get rid of psw_user32_bits, remove unused function
enabled_wait(), introduce PSW_MASK_USER, and drop PSW_MASK_MERGE macros.
Change psw_kernel_bits / psw_user_bits to contain only the bits that
are always set in the respective mode.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky 2011-10-30 15:16:50 +01:00
parent b6ef5bb3d9
commit b50511e41a
20 changed files with 109 additions and 125 deletions
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arch/s390/kernel/machine_kexec.c
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@ -108,7 +108,7 @@ static void __do_machine_kdump(void *image)
#ifdef CONFIG_CRASH_DUMP
int (*start_kdump)(int) = (void *)((struct kimage *) image)->start;
__load_psw_mask(PSW_BASE_BITS | PSW_DEFAULT_KEY);
__load_psw_mask(PSW_MASK_BASE | PSW_DEFAULT_KEY | PSW_MASK_EA | PSW_MASK_BA);
setup_regs();
start_kdump(1);
#endif