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Remove an unneeded define and old comment referencing amd64.

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This commit is contained in:
andrew 2015-07-02 16:13:29 +00:00
parent 1ca836a6bc
commit 774c959e8c
1 changed files with 0 additions and 10 deletions
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10
sys/arm64/arm64/pmap.c
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@ -83,8 +83,6 @@
* SUCH DAMAGE.
*/
#define AMD64_NPT_AWARE
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
@ -3040,14 +3038,6 @@ pmap_map_io_transient(vm_page_t page[], vm_offset_t vaddr[], int count,
if (!needs_mapping)
return (FALSE);
/*
* NB: The sequence of updating a page table followed by accesses
* to the corresponding pages used in the !DMAP case is subject to
* the situation described in the "AMD64 Architecture Programmer's
* Manual Volume 2: System Programming" rev. 3.23, "7.3.1 Special
* Coherency Considerations". Therefore, issuing the INVLPG right
* after modifying the PTE bits is crucial.
*/
if (!can_fault)
sched_pin();
for (i = 0; i < count; i++) {