[PATCH v3 02/21] powerpc/mm: Move disable_radix handling into mmu_early_init_devtree()
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2016-07-27 14:18:40
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
Move the handling of the disable_radix command line argument into the newly created mmu_early_init_devtree(). It's an MMU option so it's preferable to have it in an mm related file, and it also means platforms that don't support radix don't have to carry the code. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> --- arch/powerpc/kernel/prom.c | 13 ------------- arch/powerpc/mm/init_64.c | 11 +++++++++++ 2 files changed, 11 insertions(+), 13 deletions(-) v3: Merged into this series.
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 9686984e79c4..b4b6952e8991 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c@@ -647,14 +647,6 @@ static void __init early_reserve_mem(void) #endif } -static bool disable_radix; -static int __init parse_disable_radix(char *p) -{ - disable_radix = true; - return 0; -} -early_param("disable_radix", parse_disable_radix); - void __init early_init_devtree(void *params) { phys_addr_t limit;
@@ -744,11 +736,6 @@ void __init early_init_devtree(void *params) */ spinning_secondaries = boot_cpu_count - 1; #endif - /* - * now fixup radix MMU mode based on kernel command line - */ - if (disable_radix) - cur_cpu_spec->mmu_features &= ~MMU_FTR_RADIX; mmu_early_init_devtree();
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index d0fb33ac3db2..0d51e6e25db5 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c@@ -413,7 +413,18 @@ EXPORT_SYMBOL_GPL(realmode_pfn_to_page); #endif /* CONFIG_SPARSEMEM_VMEMMAP/CONFIG_FLATMEM */ #ifdef CONFIG_PPC_STD_MMU_64 +static bool disable_radix; +static int __init parse_disable_radix(char *p) +{ + disable_radix = true; + return 0; +} +early_param("disable_radix", parse_disable_radix); + void __init mmu_early_init_devtree(void) { + /* Disable radix mode based on kernel command line. */ + if (disable_radix) + cur_cpu_spec->mmu_features &= ~MMU_FTR_RADIX; } #endif /* CONFIG_PPC_STD_MMU_64 */
--
2.7.4