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docs: Add description of BUILD_BUG_ON().
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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@@ -79,3 +79,10 @@ interesting.
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A possible approach to dealing with boot-time errors, rather than
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A possible approach to dealing with boot-time errors, rather than
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crashing the hypervisor. It's particularly appropriate when parsing
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crashing the hypervisor. It's particularly appropriate when parsing
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non-critical BIOS tables and detecting extended hardware features.
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non-critical BIOS tables and detecting extended hardware features.
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7. BUILD_BUG_ON()
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-----------------
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Useful for assertions which can be evaluated at compile time. For
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example, making explicit assumptions about size and alignment of C
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structures.
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