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clarify separate kernel builds

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Daniel Micay 2019-10-15 07:41:42 -04:00
parent 3669cfe990
commit 9caedd8eb1
1 changed files with 3 additions and 3 deletions
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@ -286,15 +286,15 @@ cd ../..</pre>
<ul> <ul>
<li>Pixel, Pixel XL: marlin - shared build</li> <li>Pixel, Pixel XL: marlin - shared build</li>
<li>Pixel 2, Pixel 2 XL: wahoo - split build due to hardening</li> <li>Pixel 2, Pixel 2 XL: wahoo - separate taimen and walleye builds due to hardening</li>
<li>Pixel 3, Pixel 3 XL, Pixel 3a, Pixel 3a XL: crosshatch - split build due to hardening</li> <li>Pixel 3, Pixel 3 XL, Pixel 3a, Pixel 3a XL: crosshatch - separate crosshatch, blueline and bonito builds due to hardening</li>
</ul> </ul>
<p>As part of the hardening in GrapheneOS, it uses fully monolithic kernel builds with <p>As part of the hardening in GrapheneOS, it uses fully monolithic kernel builds with
dynamic kernel modules disabled. This improves the effectiveness of mitigations like dynamic kernel modules disabled. This improves the effectiveness of mitigations like
Control Flow Integrity benefiting from whole program analysis. It also reduces attack Control Flow Integrity benefiting from whole program analysis. It also reduces attack
surface and complexity somewhat including making the build system simpler. The kernel surface and complexity somewhat including making the build system simpler. The kernel
trees marked as using a split build above need to have the device variant passed to trees marked as using a separate build above need to have the device variant passed to
the GrapheneOS kernel build script to select the device.</p> the GrapheneOS kernel build script to select the device.</p>
<p>For the Pixel 3, Pixel 3 XL, Pixel 3a and Pixel 3a XL, the kernel repository uses <p>For the Pixel 3, Pixel 3 XL, Pixel 3a and Pixel 3a XL, the kernel repository uses