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efi: Defer freeing boot services memory until after ACPI init

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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>
This commit is contained in:
Josh Triplett 2012-09-28 17:55:44 -07:00 • committed by H. Peter Anvin
commit 785107923a
3 changed files with 26 additions and 13 deletions
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3
init/main.c
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@ -631,6 +631,9 @@ 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 */