svn commit: r366487 - head/sys/riscv/riscv

Jessica Clarke jrtc27 at FreeBSD.org
Tue Oct 6 13:03:31 UTC 2020


Author: jrtc27
Date: Tue Oct  6 13:03:31 2020
New Revision: 366487
URL: https://svnweb.freebsd.org/changeset/base/366487

Log:
  riscv: Remove outdated condition in page_fault_handler
  
  Since r366355 and r366284 we panic on access faults rather than treating
  them like page faults so this condition is never true.
  
  Reviewed by:	jhb (mentor), markj, mhorne
  Approved by:	jhb (mentor), markj, mhorne
  Differential Revision:	https://reviews.freebsd.org/D26686

Modified:
  head/sys/riscv/riscv/trap.c

Modified: head/sys/riscv/riscv/trap.c
==============================================================================
--- head/sys/riscv/riscv/trap.c	Tue Oct  6 13:02:20 2020	(r366486)
+++ head/sys/riscv/riscv/trap.c	Tue Oct  6 13:03:31 2020	(r366487)
@@ -220,8 +220,7 @@ page_fault_handler(struct trapframe *frame, int usermo
 
 	va = trunc_page(stval);
 
-	if ((frame->tf_scause == EXCP_FAULT_STORE) ||
-	    (frame->tf_scause == EXCP_STORE_PAGE_FAULT)) {
+	if (frame->tf_scause == EXCP_STORE_PAGE_FAULT) {
 		ftype = VM_PROT_WRITE;
 	} else if (frame->tf_scause == EXCP_INST_PAGE_FAULT) {
 		ftype = VM_PROT_EXECUTE;


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