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Diffstat (limited to 'arch/tile/kernel/intvec_32.S')
| -rw-r--r-- | arch/tile/kernel/intvec_32.S | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S index 206dc7e1fe36..f5821626247f 100644 --- a/arch/tile/kernel/intvec_32.S +++ b/arch/tile/kernel/intvec_32.S @@ -1472,7 +1472,12 @@ handle_ill: lw r26, r24 sw r28, r26 - /* Clear TIF_SINGLESTEP */ + /* + * Clear TIF_SINGLESTEP to prevent recursion if we execute an ill. + * The normal non-arch flow redundantly clears TIF_SINGLESTEP, but we + * need to clear it here and can't really impose on all other arches. + * So what's another write between friends? + */ GET_THREAD_INFO(r0) addi r1, r0, THREAD_INFO_FLAGS_OFFSET |