The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=8803e789393c504cafedb478a1619aab363c2aa5
commit 8803e789393c504cafedb478a1619aab363c2aa5 Author: Andrew Turner <[email protected]> AuthorDate: 2024-10-14 14:36:05 +0000 Commit: Andrew Turner <[email protected]> CommitDate: 2024-10-15 17:24:42 +0000 arm64: Stop setting x0 for pcb_onfault handlers All handlers set x0 before returning, there is no need to also do so in the data abort exception handler. Reviewed by: markj Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D46814 --- sys/arm64/arm64/trap.c | 1 - 1 file changed, 1 deletion(-) diff --git a/sys/arm64/arm64/trap.c b/sys/arm64/arm64/trap.c index fa0b46111a34..fa1132305067 100644 --- a/sys/arm64/arm64/trap.c +++ b/sys/arm64/arm64/trap.c @@ -375,7 +375,6 @@ data_abort(struct thread *td, struct trapframe *frame, uint64_t esr, bad_far: if (td->td_intr_nesting_level == 0 && pcb->pcb_onfault != 0) { - frame->tf_x[0] = error; frame->tf_elr = pcb->pcb_onfault; return; }
