accel/tcg: Use tb_invalidate_phys_range in page_set_flags
Flush translation blocks in bulk, rather than page-by-page. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
parent
43301e0566
commit
e786509f29
|
@ -1352,7 +1352,7 @@ int page_get_flags(target_ulong address)
|
|||
void page_set_flags(target_ulong start, target_ulong end, int flags)
|
||||
{
|
||||
target_ulong addr, len;
|
||||
bool reset;
|
||||
bool reset, inval_tb = false;
|
||||
|
||||
/* This function should never be called with addresses outside the
|
||||
guest address space. If this assert fires, it probably indicates
|
||||
|
@ -1388,11 +1388,15 @@ void page_set_flags(target_ulong start, target_ulong end, int flags)
|
|||
&& (reset ||
|
||||
!(flags & PAGE_EXEC) ||
|
||||
(flags & ~p->flags & PAGE_WRITE))) {
|
||||
tb_invalidate_phys_page(addr);
|
||||
inval_tb = true;
|
||||
}
|
||||
/* Using mprotect on a page does not change sticky bits. */
|
||||
p->flags = (reset ? 0 : p->flags & PAGE_STICKY) | flags;
|
||||
}
|
||||
|
||||
if (inval_tb) {
|
||||
tb_invalidate_phys_range(start, end);
|
||||
}
|
||||
}
|
||||
|
||||
void page_reset_target_data(target_ulong start, target_ulong end)
|
||||
|
|
Loading…
Reference in New Issue