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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] [PATCH] target/i386: enable A20 automatically in system management mode |
Date: | Wed, 17 May 2017 10:18:23 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 |
On 16/05/2017 23:42, Kevin O'Connor wrote: > > As for adding a new SeaBIOS build option to compile out support for > A20 - that seems like a very small optimization that would risk memory > corruption and hard to diagnose crashes. SeaBIOS runs natively on > real hardware (with coreboot and as a CSM on UEFI) as well as on > QEMU/KVM. Haswell (2013) no longer has A20 support (and hypervisors never had it, not just KVM). Thanks, Paolo
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