linux-kernel - Re: [PATCH v3 0/4] SysFS driver for QEMU fw

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <561263A4.2020304@redhat.com>
Date:	Mon, 5 Oct 2015 13:48:52 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Mark Rutland <mark.rutland@....com>,
	"Gabriel L. Somlo" <somlo@....edu>
Cc:	gregkh@...uxfoundation.org, paul@...an.com, galak@...eaurora.org,
	will.deacon@....com, agross@...eaurora.org, zajec5@...il.com,
	hanjun.guo@...aro.org, catalin.marinas@....com,
	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernelnewbies@...nelnewbies.org, matt.fleming@...el.com,
	lersek@...hat.com, jordan.l.justen@...el.com, mst@...hat.com,
	peter.maydell@...aro.org, leif.lindholm@...aro.org,
	ard.biesheuvel@...aro.org, kraxel@...hat.com, qemu-devel@...gnu.org
Subject: Re: [PATCH v3 0/4] SysFS driver for QEMU fw_cfg device



On 05/10/2015 12:00, Mark Rutland wrote:
> Some of the keys in the example look like they'd come from other sources
> (e.g. the *-tables entries), while others look like kernel/bootloader
> configuration options (e.g. etc/boot-fail-wait, bootorder) -- I'm
> concerned about redundancy here.

The redundancy is because the firmware and the bootloader actually
_consume_ these fw_cfg strings to produce the others (the ACPI tables,
the kernel configuration options).

On the other hand, hiding some strings just because they ought to have
been consumed already makes little sense.

Paolo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/