From e62894273c7572cb1bec39096df605f42a66e964 Mon Sep 17 00:00:00 2001 From: Srikar Dronamraju Date: Wed, 8 Feb 2012 04:53:13 +0000 Subject: powerpc: Implement GET_IP/SET_IP With this change, helpers such as instruction_pointer() et al, get defined in the generic header in terms of GET_IP Removed the unnecessary definition of profile_pc in !CONFIG_SMP case as suggested by Mike Frysinger. Signed-off-by: Srikar Dronamraju Signed-off-by: Ananth N Mavinakayanahalli Acked-by: Mike Frysinger Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/ptrace.h | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) (limited to 'arch/powerpc/include/asm') diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 78a205162fd7..84cc7840cd18 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -83,8 +83,18 @@ struct pt_regs { #ifndef __ASSEMBLY__ -#define instruction_pointer(regs) ((regs)->nip) -#define user_stack_pointer(regs) ((regs)->gpr[1]) +#define GET_IP(regs) ((regs)->nip) +#define GET_USP(regs) ((regs)->gpr[1]) +#define GET_FP(regs) (0) +#define SET_FP(regs, val) + +#ifdef CONFIG_SMP +extern unsigned long profile_pc(struct pt_regs *regs); +#define profile_pc profile_pc +#endif + +#include + #define kernel_stack_pointer(regs) ((regs)->gpr[1]) static inline int is_syscall_success(struct pt_regs *regs) { @@ -99,12 +109,6 @@ static inline long regs_return_value(struct pt_regs *regs) return -regs->gpr[3]; } -#ifdef CONFIG_SMP -extern unsigned long profile_pc(struct pt_regs *regs); -#else -#define profile_pc(regs) instruction_pointer(regs) -#endif - #ifdef __powerpc64__ #define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1) #else -- cgit v1.2.2 From 778a785f02ad846446e91dab49331bd7d853c514 Mon Sep 17 00:00:00 2001 From: Thadeu Lima de Souza Cascardo Date: Wed, 11 Jan 2012 09:09:58 +0000 Subject: powerpc/pseries/eeh: Fix crash when error happens during device probe EEH may happen during a PCI driver probe. If the driver is trying to access some register in a loop, the EEH code will try to print the driver name. But the driver pointer in struct pci_dev is not set until probe returns successfully. Use a function to test if the device and the driver pointer is NULL before accessing the driver's name. Signed-off-by: Thadeu Lima de Souza Cascardo Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/ppc-pci.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/powerpc/include/asm') diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h index 43268f15004e..6d422979ebaf 100644 --- a/arch/powerpc/include/asm/ppc-pci.h +++ b/arch/powerpc/include/asm/ppc-pci.h @@ -142,6 +142,11 @@ static inline const char *eeh_pci_name(struct pci_dev *pdev) return pdev ? pci_name(pdev) : ""; } +static inline const char *eeh_driver_name(struct pci_dev *pdev) +{ + return (pdev && pdev->driver) ? pdev->driver->name : ""; +} + #endif /* CONFIG_EEH */ #else /* CONFIG_PCI */ -- cgit v1.2.2 From fae89ee8d7a9be6044aa3c657fc169c1dca0e6ac Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Tue, 7 Feb 2012 21:08:59 -0800 Subject: powerpc: Use generic posix_types.h Change the powerpc architecture to use . [ v2: fix the definition for __kernel_ssize_t ] Signed-off-by: H. Peter Anvin Link: http://lkml.kernel.org/r/1328677745-20121-16-git-send-email-hpa@zytor.com Cc: Benjamin Herrenschmidt Cc: Paul Mackerras --- arch/powerpc/include/asm/posix_types.h | 118 +++------------------------------ 1 file changed, 9 insertions(+), 109 deletions(-) (limited to 'arch/powerpc/include/asm') diff --git a/arch/powerpc/include/asm/posix_types.h b/arch/powerpc/include/asm/posix_types.h index c4e396b540df..f1393252bbda 100644 --- a/arch/powerpc/include/asm/posix_types.h +++ b/arch/powerpc/include/asm/posix_types.h @@ -7,122 +7,22 @@ * assume GCC is being used. */ -typedef unsigned long __kernel_ino_t; -typedef unsigned int __kernel_mode_t; -typedef long __kernel_off_t; -typedef int __kernel_pid_t; -typedef unsigned int __kernel_uid_t; -typedef unsigned int __kernel_gid_t; -typedef long __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_clock_t; -typedef int __kernel_timer_t; -typedef int __kernel_clockid_t; -typedef long __kernel_suseconds_t; -typedef int __kernel_daddr_t; -typedef char * __kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; -typedef unsigned int __kernel_old_uid_t; -typedef unsigned int __kernel_old_gid_t; - #ifdef __powerpc64__ -typedef unsigned long __kernel_nlink_t; -typedef int __kernel_ipc_pid_t; -typedef unsigned long __kernel_size_t; -typedef long __kernel_ssize_t; typedef unsigned long __kernel_old_dev_t; +#define __kernel_old_dev_t __kernel_old_dev_t #else -typedef unsigned short __kernel_nlink_t; -typedef short __kernel_ipc_pid_t; typedef unsigned int __kernel_size_t; typedef int __kernel_ssize_t; -typedef unsigned int __kernel_old_dev_t; -#endif - -#ifdef __powerpc64__ -typedef long long __kernel_loff_t; -#else -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif -#endif - -typedef struct { - int val[2]; -} __kernel_fsid_t; - -#ifndef __GNUC__ - -#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) -#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) -#define __FD_ISSET(d, set) (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0) -#define __FD_ZERO(set) \ - ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set))) - -#else /* __GNUC__ */ - -#if defined(__KERNEL__) -/* With GNU C, use inline functions instead so args are evaluated only once: */ - -#undef __FD_SET -static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] |= (1UL<<_rem); -} - -#undef __FD_CLR -static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); -} - -#undef __FD_ISSET -static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set *p) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; -} - -/* - * This will unroll the loop for the normal constant case (8 ints, - * for a 256-bit fd_set) - */ -#undef __FD_ZERO -static __inline__ void __FD_ZERO(__kernel_fd_set *p) -{ - unsigned long *tmp = (unsigned long *)p->fds_bits; - int i; +typedef long __kernel_ptrdiff_t; +#define __kernel_size_t __kernel_size_t - if (__builtin_constant_p(__FDSET_LONGS)) { - switch (__FDSET_LONGS) { - case 16: - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; +typedef unsigned short __kernel_nlink_t; +#define __kernel_nlink_t __kernel_nlink_t - case 8: - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; +typedef short __kernel_ipc_pid_t; +#define __kernel_ipc_pid_t __kernel_ipc_pid_t +#endif - case 4: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - return; - } - } - i = __FDSET_LONGS; - while (i) { - i--; - *tmp = 0; - tmp++; - } -} +#include -#endif /* defined(__KERNEL__) */ -#endif /* __GNUC__ */ #endif /* _ASM_POWERPC_POSIX_TYPES_H */ -- cgit v1.2.2