Re: [PATCH v7 2/4] x86/stackvalidate: Compile-time stack validation

From	Peter Zijlstra <peterz@infradead.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v7 2/4] x86/stackvalidate: Compile-time stack validation
Date	2015-07-14 23:00 +0200
Message-ID	<pMft0-37o-3@gated-at.bofh.it> (permalink)
References	<pMc26-6KF-11@gated-at.bofh.it> <pMc27-6KF-37@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue, Jul 14, 2015 at 12:14:08PM -0500, Josh Poimboeuf wrote:
> This adds a CONFIG_STACK_VALIDATION option which enables a host tool
> named stackvalidate which runs at compile time.  It analyzes every .o
> file and ensures the validity of its stack metadata.  It enforces a set
> of rules on asm code and C inline assembly code so that stack traces can
> be reliable.
> 
> Currently it checks frame pointer usage.  I plan to add DWARF CFI
> validation as well.

Validation or Annotation, as in the generation of DWARF CFI info?
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Re: [PATCH v7 2/4] x86/stackvalidate: Compile-time stack validation Peter Zijlstra <peterz@infradead.org> - 2015-07-14 23:00 +0200

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