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authorJosh Triplett <josh@joshtriplett.org>2012-09-28 17:55:44 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-31 10:03:18 -0700
commita57a57aea0ad2ced60a8aa59d49fe542f23efb72 (patch)
tree348774a982105146820cab6908d92b4b04958e07 /init
parent7a32a0b9985742493575ffa1c6fedf043d966708 (diff)
efi: Defer freeing boot services memory until after ACPI init
commit 785107923a83d8456bbd8564e288a24d84109a46 upstream. Some new ACPI 5.0 tables reference resources stored in boot services memory, so keep that memory around until we have ACPI and can extract data from it. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Link: http://lkml.kernel.org/r/baaa6d44bdc4eb0c58e5d1b4ccd2c729f854ac55.1348876882.git.josh@joshtriplett.org Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: Matt Fleming <matt@console-pimps.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'init')
-rw-r--r--init/main.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/init/main.c b/init/main.c
index b08c5f75974f..c2178d267c1a 100644
--- a/init/main.c
+++ b/init/main.c
@@ -630,6 +630,9 @@ asmlinkage void __init start_kernel(void)
acpi_early_init(); /* before LAPIC and SMP init */
sfi_init_late();
+ if (efi_enabled)
+ efi_free_boot_services();
+
ftrace_init();
/* Do the rest non-__init'ed, we're now alive */