diff options
Diffstat (limited to 'drivers/s390/s390mach.c')
| -rw-r--r-- | drivers/s390/s390mach.c | 110 |
1 files changed, 56 insertions, 54 deletions
diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c index 5399c5d99b8..479364d0332 100644 --- a/drivers/s390/s390mach.c +++ b/drivers/s390/s390mach.c @@ -19,9 +19,6 @@ #include "s390mach.h" -#define DBG printk -// #define DBG(args,...) do {} while (0); - static struct semaphore m_sem; extern int css_process_crw(int, int); @@ -83,11 +80,11 @@ repeat: ccode = stcrw(&crw[chain]); if (ccode != 0) break; - DBG(KERN_DEBUG "crw_info : CRW reports slct=%d, oflw=%d, " - "chn=%d, rsc=%X, anc=%d, erc=%X, rsid=%X\n", - crw[chain].slct, crw[chain].oflw, crw[chain].chn, - crw[chain].rsc, crw[chain].anc, crw[chain].erc, - crw[chain].rsid); + printk(KERN_DEBUG "crw_info : CRW reports slct=%d, oflw=%d, " + "chn=%d, rsc=%X, anc=%d, erc=%X, rsid=%X\n", + crw[chain].slct, crw[chain].oflw, crw[chain].chn, + crw[chain].rsc, crw[chain].anc, crw[chain].erc, + crw[chain].rsid); /* Check for overflows. */ if (crw[chain].oflw) { pr_debug("%s: crw overflow detected!\n", __FUNCTION__); @@ -117,8 +114,8 @@ repeat: * reported to the common I/O layer. */ if (crw[chain].slct) { - DBG(KERN_INFO"solicited machine check for " - "channel path %02X\n", crw[0].rsid); + pr_debug("solicited machine check for " + "channel path %02X\n", crw[0].rsid); break; } switch (crw[0].erc) { @@ -256,11 +253,12 @@ s390_revalidate_registers(struct mci *mci) kill_task = 1; #ifndef CONFIG_64BIT - asm volatile("ld 0,0(%0)\n" - "ld 2,8(%0)\n" - "ld 4,16(%0)\n" - "ld 6,24(%0)" - : : "a" (&S390_lowcore.floating_pt_save_area)); + asm volatile( + " ld 0,0(%0)\n" + " ld 2,8(%0)\n" + " ld 4,16(%0)\n" + " ld 6,24(%0)" + : : "a" (&S390_lowcore.floating_pt_save_area)); #endif if (MACHINE_HAS_IEEE) { @@ -277,37 +275,36 @@ s390_revalidate_registers(struct mci *mci) * Floating point control register can't be restored. * Task will be terminated. */ - asm volatile ("lfpc 0(%0)" : : "a" (&zero), "m" (zero)); + asm volatile("lfpc 0(%0)" : : "a" (&zero), "m" (zero)); kill_task = 1; - } - else - asm volatile ( - "lfpc 0(%0)" - : : "a" (fpt_creg_save_area)); - - asm volatile("ld 0,0(%0)\n" - "ld 1,8(%0)\n" - "ld 2,16(%0)\n" - "ld 3,24(%0)\n" - "ld 4,32(%0)\n" - "ld 5,40(%0)\n" - "ld 6,48(%0)\n" - "ld 7,56(%0)\n" - "ld 8,64(%0)\n" - "ld 9,72(%0)\n" - "ld 10,80(%0)\n" - "ld 11,88(%0)\n" - "ld 12,96(%0)\n" - "ld 13,104(%0)\n" - "ld 14,112(%0)\n" - "ld 15,120(%0)\n" - : : "a" (fpt_save_area)); + } else + asm volatile("lfpc 0(%0)" : : "a" (fpt_creg_save_area)); + + asm volatile( + " ld 0,0(%0)\n" + " ld 1,8(%0)\n" + " ld 2,16(%0)\n" + " ld 3,24(%0)\n" + " ld 4,32(%0)\n" + " ld 5,40(%0)\n" + " ld 6,48(%0)\n" + " ld 7,56(%0)\n" + " ld 8,64(%0)\n" + " ld 9,72(%0)\n" + " ld 10,80(%0)\n" + " ld 11,88(%0)\n" + " ld 12,96(%0)\n" + " ld 13,104(%0)\n" + " ld 14,112(%0)\n" + " ld 15,120(%0)\n" + : : "a" (fpt_save_area)); } /* Revalidate access registers */ - asm volatile("lam 0,15,0(%0)" - : : "a" (&S390_lowcore.access_regs_save_area)); + asm volatile( + " lam 0,15,0(%0)" + : : "a" (&S390_lowcore.access_regs_save_area)); if (!mci->ar) /* * Access registers have unknown contents. @@ -324,11 +321,13 @@ s390_revalidate_registers(struct mci *mci) s390_handle_damage("invalid control registers."); else #ifdef CONFIG_64BIT - asm volatile("lctlg 0,15,0(%0)" - : : "a" (&S390_lowcore.cregs_save_area)); + asm volatile( + " lctlg 0,15,0(%0)" + : : "a" (&S390_lowcore.cregs_save_area)); #else - asm volatile("lctl 0,15,0(%0)" - : : "a" (&S390_lowcore.cregs_save_area)); + asm volatile( + " lctl 0,15,0(%0)" + : : "a" (&S390_lowcore.cregs_save_area)); #endif /* @@ -342,20 +341,23 @@ s390_revalidate_registers(struct mci *mci) * old contents (should be zero) otherwise set it to zero. */ if (!mci->pr) - asm volatile("sr 0,0\n" - "sckpf" - : : : "0", "cc"); + asm volatile( + " sr 0,0\n" + " sckpf" + : : : "0", "cc"); else asm volatile( - "l 0,0(%0)\n" - "sckpf" - : : "a" (&S390_lowcore.tod_progreg_save_area) : "0", "cc"); + " l 0,0(%0)\n" + " sckpf" + : : "a" (&S390_lowcore.tod_progreg_save_area) + : "0", "cc"); #endif /* Revalidate clock comparator register */ - asm volatile ("stck 0(%1)\n" - "sckc 0(%1)" - : "=m" (tmpclock) : "a" (&(tmpclock)) : "cc", "memory"); + asm volatile( + " stck 0(%1)\n" + " sckc 0(%1)" + : "=m" (tmpclock) : "a" (&(tmpclock)) : "cc", "memory"); /* Check if old PSW is valid */ if (!mci->wp) |