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Report page faults due to reserved bits in PTEs as a separate fault type.

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Rather than reporting a page fault due to a bad PTE as a protection
violation with the "rsv" flag, treat these faults as a separate type of
fault altogether.

MFC after:	1 month
This commit is contained in:
John Baldwin 2016-11-19 01:34:12 +00:00
parent 8917c565bd
commit 1a12740ffd
1 changed files with 2 additions and 2 deletions
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4
sys/amd64/amd64/trap.c
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@ -761,11 +761,11 @@ trap_fatal(frame, eva)
#endif
if (type == T_PAGEFLT) {
printf("fault virtual address = 0x%lx\n", eva);
printf("fault code = %s %s %s%s, %s\n",
printf("fault code = %s %s %s, %s\n",
code & PGEX_U ? "user" : "supervisor",
code & PGEX_W ? "write" : "read",
code & PGEX_I ? "instruction" : "data",
code & PGEX_RSV ? " rsv" : "",
code & PGEX_RSV ? "reserved bits in PTE" :
code & PGEX_P ? "protection violation" : "page not present");
}
printf("instruction pointer = 0x%lx:0x%lx\n",