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D55646.diff
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diff --git a/sys/arm64/arm64/pmap.c b/sys/arm64/arm64/pmap.c
--- a/sys/arm64/arm64/pmap.c
+++ b/sys/arm64/arm64/pmap.c
@@ -1926,17 +1926,13 @@
r = TLBI_VA(va);
if (pmap == kernel_pmap) {
pmap_s1_invalidate_kernel(r, final_only);
- if (pmap_multiple_tlbi) {
- dsb(ish);
- pmap_s1_invalidate_kernel(r, final_only);
- }
} else {
r |= ASID_TO_OPERAND(COOKIE_TO_ASID(pmap->pm_cookie));
pmap_s1_invalidate_user(r, final_only);
- if (pmap_multiple_tlbi) {
- dsb(ish);
- pmap_s1_invalidate_user(r, final_only);
- }
+ }
+ if (pmap_multiple_tlbi) {
+ dsb(ish);
+ __asm __volatile("tlbi vale1is, xzr" ::: "memory");
}
dsb(ish);
isb();
@@ -1978,24 +1974,16 @@
end = TLBI_VA(eva);
for (r = start; r < end; r += TLBI_VA(stride))
pmap_s1_invalidate_kernel(r, final_only);
-
- if (pmap_multiple_tlbi) {
- dsb(ish);
- for (r = start; r < end; r += TLBI_VA(stride))
- pmap_s1_invalidate_kernel(r, final_only);
- }
} else {
start = end = ASID_TO_OPERAND(COOKIE_TO_ASID(pmap->pm_cookie));
start |= TLBI_VA(sva);
end |= TLBI_VA(eva);
for (r = start; r < end; r += TLBI_VA(stride))
pmap_s1_invalidate_user(r, final_only);
-
- if (pmap_multiple_tlbi) {
- dsb(ish);
- for (r = start; r < end; r += TLBI_VA(stride))
- pmap_s1_invalidate_user(r, final_only);
- }
+ }
+ if (pmap_multiple_tlbi) {
+ dsb(ish);
+ __asm __volatile("tlbi vale1is, xzr" ::: "memory");
}
dsb(ish);
isb();
@@ -2036,11 +2024,11 @@
{
dsb(ishst);
__asm __volatile("tlbi vmalle1is");
- dsb(ish);
if (pmap_multiple_tlbi) {
- __asm __volatile("tlbi vmalle1is");
dsb(ish);
+ __asm __volatile("tlbi vale1is, xzr" ::: "memory");
}
+ dsb(ish);
isb();
}
@@ -2058,17 +2046,13 @@
dsb(ishst);
if (pmap == kernel_pmap) {
__asm __volatile("tlbi vmalle1is");
- if (pmap_multiple_tlbi) {
- dsb(ish);
- __asm __volatile("tlbi vmalle1is");
- }
} else {
r = ASID_TO_OPERAND(COOKIE_TO_ASID(pmap->pm_cookie));
__asm __volatile("tlbi aside1is, %0" : : "r" (r));
- if (pmap_multiple_tlbi) {
- dsb(ish);
- __asm __volatile("tlbi aside1is, %0" : : "r" (r));
- }
+ }
+ if (pmap_multiple_tlbi) {
+ dsb(ish);
+ __asm __volatile("tlbi vale1is, xzr" ::: "memory");
}
dsb(ish);
isb();
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D55646: arm64: Optimise the repeated TLBI workaround
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