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page_fault_handler(): enable on-demand mapping of Linux ioremap area

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Balazs Gerofi
2018-02-07 19:28:16 +09:00
parent 898708b8b4
commit 880dd6ddb2
1 changed files with 0 additions and 2 deletions
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2
kernel/mem.c
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@@ -1168,7 +1168,6 @@ static void page_fault_handler(void *fault_addr, uint64_t reason, void *regs)
dkprintf("%s: addr: %p, reason: %lx, regs: %p\n", dkprintf("%s: addr: %p, reason: %lx, regs: %p\n",
__FUNCTION__, fault_addr, reason, regs); __FUNCTION__, fault_addr, reason, regs);
#if 0
/* Linux ioremap address? */ /* Linux ioremap address? */
if ((unsigned long)fault_addr >= 0xFFFFC90000000000 && if ((unsigned long)fault_addr >= 0xFFFFC90000000000 &&
(unsigned long)fault_addr < 0xFFFFFFFF80000000) { (unsigned long)fault_addr < 0xFFFFFFFF80000000) {
@@ -1221,7 +1220,6 @@ static void page_fault_handler(void *fault_addr, uint64_t reason, void *regs)
} }
regular_handler: regular_handler:
#endif
preempt_disable(); preempt_disable();
cpu_enable_interrupt(); cpu_enable_interrupt();