Commit a7295fd5 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Thomas Gleixner

x86/mm/cpa: Use flush_tlb_kernel_range()

Both cpa_flush_range() and cpa_flush_array() have a well specified
range, use that to do a range based TLB invalidate.
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarDave Hansen <dave.hansen@intel.com>
Cc: Bin Yang <bin.yang@intel.com>
Cc: Mark Gross <mark.gross@intel.com>
Link: https://lkml.kernel.org/r/20180919085947.985193217@infradead.org
parent ddd07b75
......@@ -293,7 +293,7 @@ static void cpa_flush_range(unsigned long start, int numpages, int cache)
BUG_ON(irqs_disabled() && !early_boot_irqs_disabled);
WARN_ON(PAGE_ALIGN(start) != start);
flush_tlb_all();
flush_tlb_kernel_range(start, start + PAGE_SIZE * numpages);
if (!cache)
return;
......@@ -315,14 +315,15 @@ static void cpa_flush_range(unsigned long start, int numpages, int cache)
}
}
static void cpa_flush_array(unsigned long *start, int numpages, int cache,
static void cpa_flush_array(unsigned long baddr, unsigned long *start,
int numpages, int cache,
int in_flags, struct page **pages)
{
unsigned int i, level;
BUG_ON(irqs_disabled() && !early_boot_irqs_disabled);
flush_tlb_all();
flush_tlb_kernel_range(baddr, baddr + PAGE_SIZE * numpages);
if (!cache)
return;
......@@ -1757,7 +1758,7 @@ static int change_page_attr_set_clr(unsigned long *addr, int numpages,
*/
if (!ret && boot_cpu_has(X86_FEATURE_CLFLUSH)) {
if (cpa.flags & (CPA_PAGES_ARRAY | CPA_ARRAY)) {
cpa_flush_array(addr, numpages, cache,
cpa_flush_array(baddr, addr, numpages, cache,
cpa.flags, pages);
} else
cpa_flush_range(baddr, numpages, cache);
......
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