Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1617185 > unrolled thread
| Started by | David Howells <dhowells@redhat.com> |
|---|---|
| First post | 2017-04-05 19:20 +0200 |
| Last post | 2017-04-05 19:20 +0200 |
| Articles | 1 — 1 participant |
Back to article view | Back to linux.kernel
This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by
below is the oldest one visible, not the original post.
[PATCH 17/24] acpi: Ignore acpi_rsdp kernel param when the kernel has been locked down David Howells <dhowells@redhat.com> - 2017-04-05 19:20 +0200
| From | David Howells <dhowells@redhat.com> |
|---|---|
| Date | 2017-04-05 19:20 +0200 |
| Subject | [PATCH 17/24] acpi: Ignore acpi_rsdp kernel param when the kernel has been locked down |
| Message-ID | <tsWL8-5w8-7@gated-at.bofh.it> |
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. Signed-off-by: Josh Boyer <jwboyer@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com> --- 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..d4d4ba348451 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()) return acpi_rsdp; #endif
Back to top | Article view | linux.kernel
csiph-web