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| author | Kevin Hilman <khilman@linaro.org> | 2013-12-20 17:59:04 +0100 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2013-12-20 17:59:30 +0100 |
| commit | 490b929d42d2a321887f9538a83fc9f215675f15 (patch) | |
| tree | 04fe7161f92c568839605f92c8f1c8730216f739 /arch/parisc/mm/init.c | |
| parent | Merge branch 'berlin/soc' into next/soc (diff) | |
| parent | ARM: device trees for Energy Micro's EFM32 Cortex-M3 SoCs (diff) | |
| download | linux-490b929d42d2a321887f9538a83fc9f215675f15.tar.xz linux-490b929d42d2a321887f9538a83fc9f215675f15.zip | |
Merge branch 'efm32/soc' into next/soc
From Uwe Kleine-König:
* efm32/soc: (1003 commits)
ARM: device trees for Energy Micro's EFM32 Cortex-M3 SoCs
ARM: new platform for Energy Micro's EFM32 Cortex-M3 SoCs
+Linux 3.13-rc4
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Diffstat (limited to 'arch/parisc/mm/init.c')
| -rw-r--r-- | arch/parisc/mm/init.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index b0f96c0e6316..96f8168cf4ec 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -32,6 +32,7 @@ #include <asm/sections.h> extern int data_start; +extern void parisc_kernel_start(void); /* Kernel entry point in head.S */ #if PT_NLEVELS == 3 /* NOTE: This layout exactly conforms to the hybrid L2/L3 page table layout @@ -324,8 +325,9 @@ static void __init setup_bootmem(void) reserve_bootmem_node(NODE_DATA(0), 0UL, (unsigned long)(PAGE0->mem_free + PDC_CONSOLE_IO_IODC_SIZE), BOOTMEM_DEFAULT); - reserve_bootmem_node(NODE_DATA(0), __pa((unsigned long)_text), - (unsigned long)(_end - _text), BOOTMEM_DEFAULT); + reserve_bootmem_node(NODE_DATA(0), __pa(KERNEL_BINARY_TEXT_START), + (unsigned long)(_end - KERNEL_BINARY_TEXT_START), + BOOTMEM_DEFAULT); reserve_bootmem_node(NODE_DATA(0), (bootmap_start_pfn << PAGE_SHIFT), ((bootmap_pfn - bootmap_start_pfn) << PAGE_SHIFT), BOOTMEM_DEFAULT); @@ -378,6 +380,17 @@ static void __init setup_bootmem(void) request_resource(&sysram_resources[0], &pdcdata_resource); } +static int __init parisc_text_address(unsigned long vaddr) +{ + static unsigned long head_ptr __initdata; + + if (!head_ptr) + head_ptr = PAGE_MASK & (unsigned long) + dereference_function_descriptor(&parisc_kernel_start); + + return core_kernel_text(vaddr) || vaddr == head_ptr; +} + static void __init map_pages(unsigned long start_vaddr, unsigned long start_paddr, unsigned long size, pgprot_t pgprot, int force) @@ -466,7 +479,7 @@ static void __init map_pages(unsigned long start_vaddr, */ if (force) pte = __mk_pte(address, pgprot); - else if (core_kernel_text(vaddr) && + else if (parisc_text_address(vaddr) && address != fv_addr) pte = __mk_pte(address, PAGE_KERNEL_EXEC); else |