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Re: [PATCH] target/i386: fix direction of "32-bit MMU" test


From: Michael Tokarev
Subject: Re: [PATCH] target/i386: fix direction of "32-bit MMU" test
Date: Mon, 8 Apr 2024 23:18:45 +0300
User-agent: Mozilla Thunderbird

08.04.2024 23:12, Paolo Bonzini wrote:
Il ven 5 apr 2024, 19:30 Michael Tokarev <mjt@tls.msk.ru 
<mailto:mjt@tls.msk.ru>> ha scritto:

    It sigsegvs in probe_access_internal():

        CPUTLBEntry *entry = tlb_entry(env, mmu_idx, addr); -- this one returns 
NULL,

    and next there's a call

        tlb_addr = tlb_read_ofs(entry, elt_ofs);

    which fails.


I will take a look tomorrow.

The changes on top of 7.2.10 are available at 
https://gitlab.com/mjt0k/qemu/-/commits/7.2-i386-mmu-idx/ -
I'm still blaming myself for bad back-port, but I can't find where I failed.

Thanks,

/mjt



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