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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2010-03-24 11:49:57 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-03-24 11:49:54 +0100 |
| commit | 06c0dd72aea3985d0ea036f771ebb1d1083bf69f (patch) | |
| tree | 680414dff917976c6b43aaec5688d03c71272e96 /arch/s390/boot/compressed/misc.c | |
| parent | 7b26d82f5ea7de5667f87bb5ac6570111d7bff9f (diff) | |
| download | linux-3.10-06c0dd72aea3985d0ea036f771ebb1d1083bf69f.tar.gz linux-3.10-06c0dd72aea3985d0ea036f771ebb1d1083bf69f.tar.bz2 linux-3.10-06c0dd72aea3985d0ea036f771ebb1d1083bf69f.zip | |
[S390] fix boot failures with compressed kernels
Fix two bugs with the kernel image compression:
1) reset the bss section of the compressed vmlinux
2) clear the high half of the registers for 64 bit early enough
for the decompression step
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/boot/compressed/misc.c')
| -rw-r--r-- | arch/s390/boot/compressed/misc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c index a97d6952582..14e0479d388 100644 --- a/arch/s390/boot/compressed/misc.c +++ b/arch/s390/boot/compressed/misc.c @@ -24,8 +24,8 @@ /* Symbols defined by linker scripts */ extern char input_data[]; extern int input_len; -extern int _text; -extern int _end; +extern char _text, _end; +extern char _bss, _ebss; static void error(char *m); @@ -129,12 +129,12 @@ unsigned long decompress_kernel(void) unsigned long output_addr; unsigned char *output; + check_ipl_parmblock((void *) 0, (unsigned long) output + SZ__bss_start); + memset(&_bss, 0, &_ebss - &_bss); free_mem_ptr = (unsigned long)&_end; free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; output = (unsigned char *) ((free_mem_end_ptr + 4095UL) & -4096UL); - check_ipl_parmblock((void *) 0, (unsigned long) output + SZ__bss_start); - #ifdef CONFIG_BLK_DEV_INITRD /* * Move the initrd right behind the end of the decompressed |