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Re: [PATCH] gnumach - Restrict pci io cfg ports to one process
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From: |
Damien Zammit |
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Subject: |
Re: [PATCH] gnumach - Restrict pci io cfg ports to one process |
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Date: |
Sun, 11 Nov 2018 13:24:00 +1100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
On 11/11/18 12:51, Samuel Thibault wrote:
> Damien Zammit, le dim. 11 nov. 2018 12:43:07 +1100, a ecrit:
>> +#define IS_IN_PROTECTED_RANGE(from, to) \
>> + ( ( ( from <= PCI_CFG1_START ) && ( to >= PCI_CFG1_END ) ) || \
>
> That should be from <= END && to >= BEGIN, shouldn't it?
Well, in my mind I was only thinking about whole overlaps.
Your idea handles partial overlap too, so yes!
See attached, thanks.
Damien
0001-gnumach-restrict-access-to-PCI-cfg.patch
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