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b70842df77
Running a probe on s390 with a probe address that is not 4 byte aligned results in a Kernel BUG. The problem is that the stura instruction used by swap_instruction requires the destination address to be 4 byte aligned. As stura only writes 4 bytes, aligning to the next 4 byte aligned address results in the breakpoint instruction being stored past the probe address. The fix is to align the address backward (to the previous 4 byte aligned address) and writing the two byte breakpoint instruction in the appropriate bytes. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: David Wilder <dwilder@us.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> |
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| .. | ||
| appldata | ||
| boot | ||
| crypto | ||
| hypfs | ||
| kernel | ||
| lib | ||
| math-emu | ||
| mm | ||
| oprofile | ||
| defconfig | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||