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From: Mark Brown <broonie@kernel.org>
To: Dave Martin <Dave.Martin@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Szabolcs Nagy <szabolcs.nagy@arm.com>,
	Jeremy Linton <jeremy.linton@arm.com>,
	"H . J . Lu" <hjl.tools@gmail.com>,
	Yu-cheng Yu <yu-cheng.yu@intel.com>,
	linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	libc-alpha@sourceware.org
Subject: Re: [PATCH v1 1/2] elf: Allow architectures to parse properties on the main executable
Date: Thu, 3 Jun 2021 19:52:36 +0100	[thread overview]
Message-ID: <20210603185236.GG4257@sirena.org.uk> (raw)
In-Reply-To: <20210603154018.GG4187@arm.com>


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On Thu, Jun 03, 2021 at 04:40:24PM +0100, Dave Martin wrote:
> On Fri, May 21, 2021 at 03:46:20PM +0100, Mark Brown wrote:

> > -		if (system_supports_bti() &&
> > +		if (system_supports_bti() && is_interp &&

> Won't this cause BTI to be forced off for static binaries?

> Perhaps this should be (has_interp == is_interp), as for
> arch_elf_adjust_prot().  Seems gross though, since has_interp would
> become useless after the next patch.  If there's no sensible way to
> keep this bisectable, perhaps the patches can be merged instead.

Ugh, right.  I only tested the finished result.

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  reply	other threads:[~2021-06-03 18:54 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-21 14:46 [PATCH v1 0/2] arm64: Enable BTI for the executable as well as the interpreter Mark Brown
2021-05-21 14:46 ` [PATCH v1 1/2] elf: Allow architectures to parse properties on the main executable Mark Brown
2021-06-03 15:40   ` Dave Martin
2021-06-03 18:52     ` Mark Brown [this message]
2021-05-21 14:46 ` [PATCH v1 2/2] arm64: Enable BTI for main executable as well as the interpreter Mark Brown
2021-06-03 15:40   ` Dave Martin
2021-06-03 16:51     ` Mark Brown
2021-06-03 18:04       ` Catalin Marinas
2021-06-07 11:25         ` Dave Martin
2021-06-07 18:12           ` Catalin Marinas
2021-06-08 11:33             ` Mark Brown
2021-06-08 15:19               ` Dave Martin
2021-06-08 15:42                 ` Jeremy Linton
2021-06-10 10:33                   ` Dave Martin

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