Messages in this thread Patch in this message | | | From | Jacob Shin <> | Subject | [PATCH 5/5] x86: Move enabling of PSE and PGE out of init_memory_mapping | Date | Thu, 9 Aug 2012 16:23:09 -0500 |
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Since we now call init_memory_mapping for each E820_RAM region in a loop, move cr4 writes out to setup_arch.
Signed-off-by: Jacob Shin <jacob.shin@amd.com> --- arch/x86/kernel/setup.c | 10 ++++++++++ arch/x86/mm/init.c | 10 ---------- 2 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 4f26944..5dfeb8f 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -958,6 +958,16 @@ void __init setup_arch(char **cmdline_p) init_gbpages(); + /* Enable PSE if available */ + if (cpu_has_pse) + set_in_cr4(X86_CR4_PSE); + + /* Enable PGE if available */ + if (cpu_has_pge) { + set_in_cr4(X86_CR4_PGE); + __supported_pte_mask |= _PAGE_GLOBAL; + } + init_pfn = max_pfn_mapped; memset(pfn_mapped, 0, sizeof(pfn_mapped)); diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index d4e01a7..99f111e 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -152,16 +152,6 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, use_gbpages = direct_gbpages; #endif - /* Enable PSE if available */ - if (cpu_has_pse) - set_in_cr4(X86_CR4_PSE); - - /* Enable PGE if available */ - if (cpu_has_pge) { - set_in_cr4(X86_CR4_PGE); - __supported_pte_mask |= _PAGE_GLOBAL; - } - if (use_gbpages) page_size_mask |= 1 << PG_LEVEL_1G; if (use_pse) -- 1.7.9.5
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