| Date | Fri, 20 Oct 2017 14:45:43 +0800 | From | joeyli <> | Subject | Re: [PATCH 15/27] acpi: Ignore acpi_rsdp kernel param when the kernel has been locked down |
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On Thu, Oct 19, 2017 at 03:52:27PM +0100, David Howells 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 modify the workings of hardware . Reject > the option when the kernel is locked down. > > Signed-off-by: Josh Boyer <jwboyer@redhat.com> > Signed-off-by: David Howells <dhowells@redhat.com>
I have reviewed this patch. Please feel free to add:
Reviewed-by: "Lee, Chun-Yi" <jlee@suse.com>
Thanks! Joey Lee
> cc: Dave Young <dyoung@redhat.com> > cc: linux-acpi@vger.kernel.org > --- > > drivers/acpi/osl.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c > index db78d353bab1..36c6527c1b0a 100644 > --- a/drivers/acpi/osl.c > +++ b/drivers/acpi/osl.c > @@ -192,7 +192,7 @@ acpi_physical_address __init acpi_os_get_root_pointer(void) > acpi_physical_address pa = 0; > > #ifdef CONFIG_KEXEC > - if (acpi_rsdp) > + if (acpi_rsdp && !kernel_is_locked_down("ACPI RSDP specification")) > return acpi_rsdp; > #endif > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-efi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
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