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| author | Alexander Gordeev <agordeev@linux.ibm.com> | 2022-12-19 23:08:27 +0300 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2023-01-13 16:15:06 +0300 |
| commit | 2154e0b3282d0029ea7790a8414d61d5dc7d72ff (patch) | |
| tree | 4dcd6085f7402a5a21d2e007fcbf1ef301b5020f /arch/s390/boot/boot.h | |
| parent | 8e9205d2a58989aff46000ef47021633146ca493 (diff) | |
| download | linux-2154e0b3282d0029ea7790a8414d61d5dc7d72ff.tar.xz | |
s390/mm: allocate Absolute Lowcore Area in decompressor
Move Absolute Lowcore Area allocation to the decompressor.
As result, get_abs_lowcore() and put_abs_lowcore() access
brackets become really straight and do not require complex
execution context analysis and LAP and interrupts tackling.
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/boot/boot.h')
| -rw-r--r-- | arch/s390/boot/boot.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/boot/boot.h b/arch/s390/boot/boot.h index 547614496e7e..8abedae76e53 100644 --- a/arch/s390/boot/boot.h +++ b/arch/s390/boot/boot.h @@ -66,5 +66,7 @@ extern unsigned char _compressed_end[]; extern struct vmlinux_info _vmlinux_info; #define vmlinux _vmlinux_info +#define __abs_lowcore_pa(x) (((unsigned long)(x) - __abs_lowcore) % sizeof(struct lowcore)) + #endif /* __ASSEMBLY__ */ #endif /* BOOT_BOOT_H */ |