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| From: | Alexander Graf |
| Subject: | Re: [PATCH 2/6] hyper-v: Use -1 as invalid overlay address |
| Date: | Tue, 8 Jun 2021 10:27:41 +0200 |
| User-agent: | Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:90.0) Gecko/20100101 Thunderbird/90.0 |
On 24.05.21 21:54, Siddharth Chandrasekaran wrote:
When managing overlay pages, we used hwaddr 0 to signal an invalid address (to disable a page). Although unlikely, 0 _could_ be a valid overlay offset as Hyper-V TLFS does not specify anything about it. Use -1 as the invalid address indicator as it can never be a valid address. Signed-off-by: Siddharth Chandrasekaran <sidcha@amazon.de>
Reviewed-by: Alexander Graf <graf@amazon.com> Alex Amazon Development Center Germany GmbH Krausenstr. 38 10117 Berlin Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B Sitz: Berlin Ust-ID: DE 289 237 879
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