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[Qemu-devel] "tcg: Clean up direct block chaining safety checks" breaks


From: Max Filippov
Subject: [Qemu-devel] "tcg: Clean up direct block chaining safety checks" breaks target-xtensa mmu test
Date: Sun, 15 May 2016 21:58:24 +0300
User-agent: Mutt/1.5.23 (2014-03-12)

Hi Sergey,

I've noticed that the commit 5b053a4a28278 (tcg: Clean up direct block
chaining safety checks) has broken tearget-xtensa test cross_page_tb
from the tests/tcg/xtensa/test_mmu.S. The test runs a TB that spans two
adjacent pages, then unmaps the second page and runs it again. It
expects an instruction fetch exception on the second run, but with the
said commit doesn't get it. Reverting that commit fixes the test.
Any suggestions?

-- 
Thanks.
-- Max



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