From 4a5f79e7e65d24d2fa9eb6e6208672571704d337 Mon Sep 17 00:00:00 2001 From: Russell King Date: Thu, 3 Nov 2005 15:48:21 +0000 Subject: [ARM SMP] Add configuration option for ARMv6K processors The 'K' extension adds several new instructions to the ARMv6 ISA which are primerily useful for SMP. Signed-off-by: Russell King --- arch/arm/mm/Kconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'arch/arm/mm') diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 5568403..e3c14d6 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -250,6 +250,18 @@ config CPU_V6 select CPU_COPY_V6 select CPU_TLB_V6 +# ARMv6k +config CPU_32v6K + bool "Support ARM V6K processor extensions" if !SMP + depends on CPU_V6 + default y if SMP + help + Say Y here if your ARMv6 processor supports the 'K' extension. + This enables the kernel to use some instructions not present + on previous processors, and as such a kernel build with this + enabled will not boot on processors with do not support these + instructions. + # Figure out what processor architecture version we should be using. # This defines the compiler instruction set which depends on the machine type. config CPU_32v3 -- cgit v1.1 From 24bcc2f46cf8982dbc02c8e3037dfc5e12f1e35c Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Thu, 3 Nov 2005 20:40:50 +0000 Subject: [ARM] 3092/1: remove excessive print format padding Patch from Nicolas Pitre Using a llx format to print addresses that might possibly be (only) 36 bits wide make sense. However making it a zero padded 16 char wide field is a bit excessive and useless. Signed-off-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/mm/mm-armv.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'arch/arm/mm') diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c index 1221fdd..fb5b402 100644 --- a/arch/arm/mm/mm-armv.c +++ b/arch/arm/mm/mm-armv.c @@ -469,14 +469,14 @@ void __init create_mapping(struct map_desc *md) if (md->virtual != vectors_base() && md->virtual < TASK_SIZE) { printk(KERN_WARNING "BUG: not creating mapping for " - "0x%016llx at 0x%08lx in user region\n", + "0x%08llx at 0x%08lx in user region\n", __pfn_to_phys((u64)md->pfn), md->virtual); return; } if ((md->type == MT_DEVICE || md->type == MT_ROM) && md->virtual >= PAGE_OFFSET && md->virtual < VMALLOC_END) { - printk(KERN_WARNING "BUG: mapping for 0x%016llx at 0x%08lx " + printk(KERN_WARNING "BUG: mapping for 0x%08llx at 0x%08lx " "overlaps vmalloc space\n", __pfn_to_phys((u64)md->pfn), md->virtual); } @@ -492,14 +492,14 @@ void __init create_mapping(struct map_desc *md) if(md->pfn >= 0x100000) { if(domain) { printk(KERN_ERR "MM: invalid domain in supersection " - "mapping for 0x%016llx at 0x%08lx\n", + "mapping for 0x%08llx at 0x%08lx\n", __pfn_to_phys((u64)md->pfn), md->virtual); return; } if((md->virtual | md->length | __pfn_to_phys(md->pfn)) & ~SUPERSECTION_MASK) { printk(KERN_ERR "MM: cannot create mapping for " - "0x%016llx at 0x%08lx invalid alignment\n", + "0x%08llx at 0x%08lx invalid alignment\n", __pfn_to_phys((u64)md->pfn), md->virtual); return; } -- cgit v1.1