From: Max Filippov <jcmvbkbc@gmail.com>
Date: Sun, 27 May 2012 14:34:49 +0000 (+0400)
Subject: target-xtensa: flush TLB page for new MMU mapping
X-Git-Tag: qemu-xen-4.3.0-rc1~1024
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=e323bdeff28f3bd647bf02cc9df57971eff3e258;p=qemu-upstream-4.3-testing.git

target-xtensa: flush TLB page for new MMU mapping

Both old and new mappings need flushing because their VPN may be
different in MMU case.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---

diff --git a/target-xtensa/op_helper.c b/target-xtensa/op_helper.c
index 364dc19bc..ce61157c9 100644
--- a/target-xtensa/op_helper.c
+++ b/target-xtensa/op_helper.c
@@ -669,6 +669,7 @@ void xtensa_tlb_set_entry(CPUXtensaState *env, bool dtlb,
             entry->paddr = pte & xtensa_tlb_get_addr_mask(env, dtlb, wi);
             entry->asid = (env->sregs[RASID] >> ((pte >> 1) & 0x18)) & 0xff;
             entry->attr = pte & 0xf;
+            tlb_flush_page(env, entry->vaddr);
         } else {
             qemu_log("%s %d, %d, %d trying to set immutable entry\n",
                     __func__, dtlb, wi, ei);