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Re: [PATCH 17/24] acpi: Ignore acpi_rsdp kernel param when the kernel has been locked down

From "Rafael J. Wysocki" <rafael@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH 17/24] acpi: Ignore acpi_rsdp kernel param when the kernel has been locked down
Date 2017-04-06 21:50 +0200
Message-ID <ttlzQ-5bW-7@gated-at.bofh.it> (permalink)
References <tsZzj-7hF-5@gated-at.bofh.it> <tsZzk-7hF-23@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Apr 5, 2017 at 10:16 PM, David Howells <dhowells@redhat.com> wrote:
> From: Josh Boyer <jwboyer@redhat.com>
>
> This option allows userspace to pass the RSDP address to the kernel, which
> makes it possible for a user to circumvent any restrictions imposed on
> loading modules.  Ignore the option when the kernel is locked down.

I'm not really sure here.

What exactly is the mechanism?

Thanks,
Rafael

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[PATCH 17/24] acpi: Ignore acpi_rsdp kernel param when the kernel  has been locked down David Howells <dhowells@redhat.com> - 2017-04-05 22:20 +0200
  Re: [PATCH 17/24] acpi: Ignore acpi_rsdp kernel param when the kernel  has been locked down "Rafael J. Wysocki" <rafael@kernel.org> - 2017-04-06 21:50 +0200
    Re: [PATCH 17/24] acpi: Ignore acpi_rsdp kernel param when the  kernel has been locked down Dave Young <dyoung@redhat.com> - 2017-04-07 08:40 +0200
      Re: [PATCH 17/24] acpi: Ignore acpi_rsdp kernel param when the kernel has been locked down David Howells <dhowells@redhat.com> - 2017-04-07 09:10 +0200
        Re: [PATCH 17/24] acpi: Ignore acpi_rsdp kernel param when the  kernel has been locked down Dave Young <dyoung@redhat.com> - 2017-04-07 09:50 +0200

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