From 3042102a28501510a409fe86962f20369e325cf2 Mon Sep 17 00:00:00 2001 From: Brian Swetland Date: Mon, 26 Nov 2007 04:11:43 -0800 Subject: [ARM] msm: core platform support for ARCH_MSM7X00A - core header files for arch-msm - Kconfig and Makefiles to enable ARCH_MSM7X00A builds - MSM7X00A specific arch_idle - peripheral iomap and irq number definitions Signed-off-by: Brian Swetland --- arch/arm/mm/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/arm/mm') diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 7868f4dc1d0..bc2ca3c03a4 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -345,8 +345,9 @@ config CPU_XSC3 # ARMv6 config CPU_V6 bool "Support ARM V6 processor" - depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP2 || ARCH_MX3 + depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP2 || ARCH_MX3 || ARCH_MSM7X00A default y if ARCH_MX3 + default y if ARCH_MSM7X00A select CPU_32v6 select CPU_ABRT_EV6 select CPU_CACHE_V6 -- cgit v1.2.3 From 2b3b3516b6eeea1464e205b2dde9ebc9b7dd2ec8 Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Thu, 24 Jan 2008 15:10:39 +0100 Subject: [ARM] 4764/1: [AT91] AT91CAP9 core support Add support for Atmel's AT91CAP9 Customizable Microcontroller family. Signed-off-by: Stelian Pop Signed-off-by: Andrew Victor Signed-off-by: Russell King --- arch/arm/mm/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/arm/mm') diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 7868f4dc1d0..1bf2a7bfe09 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -171,8 +171,8 @@ config CPU_ARM925T # ARM926T config CPU_ARM926T bool "Support ARM926T processor" - depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_NS9XXX || ARCH_DAVINCI - default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_NS9XXX || ARCH_DAVINCI + depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 || ARCH_NS9XXX || ARCH_DAVINCI + default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 || ARCH_NS9XXX || ARCH_DAVINCI select CPU_32v5 select CPU_ABRT_EV5TJ select CPU_CACHE_VIVT -- cgit v1.2.3 From 25ce1dd71b8326f2542cf030f68e0e64c3d94dc1 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Mon, 3 Dec 2007 15:21:57 -0500 Subject: ARM kprobes: add the kprobes hook to the page fault handler Signed-off-by: Nicolas Pitre --- arch/arm/mm/fault.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'arch/arm/mm') diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index a8a7dab757e..1e7b1ed304d 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include @@ -20,6 +21,29 @@ #include "fault.h" + +#ifdef CONFIG_KPROBES +static inline int notify_page_fault(struct pt_regs *regs, unsigned int fsr) +{ + int ret = 0; + + if (!user_mode(regs)) { + /* kprobe_running() needs smp_processor_id() */ + preempt_disable(); + if (kprobe_running() && kprobe_fault_handler(regs, fsr)) + ret = 1; + preempt_enable(); + } + + return ret; +} +#else +static inline int notify_page_fault(struct pt_regs *regs, unsigned int fsr) +{ + return 0; +} +#endif + /* * This is useful to dump out the page tables associated with * 'addr' in mm 'mm'. @@ -222,6 +246,9 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) struct mm_struct *mm; int fault, sig, code; + if (notify_page_fault(regs, fsr)) + return 0; + tsk = current; mm = tsk->mm; -- cgit v1.2.3 From 785d3cd286f0bf67d1bf692559b9ae5de12678f5 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Mon, 3 Dec 2007 15:27:56 -0500 Subject: ARM kprobes: prevent some functions involved with kprobes from being probed Signed-off-by: Nicolas Pitre --- arch/arm/mm/fault.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/arm/mm') diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 1e7b1ed304d..28ad7ab1c0c 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -239,7 +239,7 @@ out: return fault; } -static int +static int __kprobes do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) { struct task_struct *tsk; @@ -338,7 +338,7 @@ no_context: * interrupt or a critical region, and should only copy the information * from the master page table, nothing more. */ -static int +static int __kprobes do_translation_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) { -- cgit v1.2.3