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linux-2.6/arch/sparc64/kernel
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David S. Miller 86d43258bc [SPARC64]: Set g4/g5 properly in sun4v dtlb-prot handling. 
Mirror the logic in the sun4u handler, we have to update
both registers even when we branch out to window fault
fixup handling.

The way it works is that if we are in etrap processing a
fault already, g4/g5 holds the original fault information.
If we take a window spill fault while doing etrap, then
we put the window spill fault info into g4/g5 and this is
what the top-level fault handler ends up processing first.

Then we retry the originally faulting instruction, and
process the original fault at that time.

This is all necessary because of how constrained the trap
registers are in these code paths.  These cases trigger
very rarely, so even if there is some performance implication
it's doesn't happen very often.  In fact the rarity is why
it took so long to trigger and find this particular bug.

Signed-off-by: David S. Miller <davem@davemloft.net>
 		2007-01-26 18:56:01 -08:00
..
Makefile [SPARC64]: Add irqtrace/stacktrace/lockdep support. 2006-12-10 02:39:09 -08:00
asm-offsets.c kbuild: frv,m32r,sparc64 introduce fake asm-offsets.h file 2005-09-09 22:47:53 +02:00
audit.c [PATCH] sparc64 audit syscall classes hookup 2006-09-12 03:05:05 -04:00
auxio.c Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
binfmt_aout32.c [PATCH] struct path: convert sparc64 2006-12-08 08:28:50 -08:00
binfmt_elf32.c [PATCH] elf: Always define elf_addr_t in linux/elf.h 2006-12-07 08:39:38 -08:00
central.c [SPARC64]: Fix central/FHC bus handling on Ex000 systems. 2006-10-25 22:39:15 -07:00
chmc.c [SPARC64]: Replace kmalloc+memset with kzalloc 2006-12-10 02:40:18 -08:00
compat_audit.c [PATCH] sparc64 audit syscall classes hookup 2006-09-12 03:05:05 -04:00
cpu.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
devices.c [SPARC]: Simplify and correct __cpu_find_by() 2006-07-21 14:18:15 -07:00
dtlb_miss.S [SPARC64]: More TLB/TSB handling fixes. 2006-03-20 01:13:34 -08:00
dtlb_prot.S [SPARC64]: Fix boot failures on SunBlade-150 2005-10-12 12:22:46 -07:00
ebus.c [SPARC]: Fix bus_id[] string overflow. 2006-10-27 01:03:31 -07:00
entry.S [SPARC64]: Add irqtrace/stacktrace/lockdep support. 2006-12-10 02:39:09 -08:00
etrap.S Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
head.S [SPARC64]: Kill no-remapping-needed code in head.S 2006-12-17 14:06:55 -08:00
idprom.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
init_task.c [PATCH] nsproxy: move init_nsproxy into kernel/nsproxy.c 2006-10-02 07:57:20 -07:00
iommu_common.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
iommu_common.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
irq.c [SPARC64]: Minor irq handling cleanups. 2006-12-17 14:06:56 -08:00
isa.c [SPARC64]: Handle ISA devices with no 'regs' property. 2006-12-31 14:06:07 -08:00
itlb_miss.S [SPARC64]: Fix _PAGE_EXEC handling. 2006-03-20 01:14:13 -08:00
kprobes.c [SPARC64]: Fix several kprobes bugs. 2006-12-10 02:42:03 -08:00
ktlb.S Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
module.c [SPARC]: Handle UNWIND_INFO properly. 2006-05-12 12:45:50 -07:00
of_device.c [SPARC64]: Fix of_iounmap() region release. 2006-12-31 14:06:05 -08:00
pci.c PCI: Use pci_generic_prep_mwi on sparc64 2006-12-01 14:36:57 -08:00
pci_common.c [SPARC64]: Fix PCI memory space root resource on Hummingbird. 2006-10-17 19:28:50 -07:00
pci_impl.h [SPARC64]: Convert sparc64 PCI layer to in-kernel device tree. 2006-06-23 23:15:26 -07:00
pci_iommu.c [SPARC64]: Fix memory corruption in pci_4u_free_consistent(). 2006-10-25 22:39:16 -07:00
pci_psycho.c [PATCH] sparc64 pt_regs fixes 2006-10-08 12:32:35 -07:00
pci_sabre.c [SPARC64]: Compute dma_end argument to sabre_pbm_init() correctly. 2006-10-19 17:20:30 -07:00
pci_schizo.c [PATCH] sparc64 pt_regs fixes 2006-10-08 12:32:35 -07:00
pci_sun4v.c [SPARC64]: Replace kmalloc+memset with kzalloc 2006-12-10 02:40:18 -08:00
pci_sun4v.h [SPARC64]: Remove PGLIST_NENTS PCI IOMMU mapping limitation on SUN4V. 2006-03-20 01:13:41 -08:00
pci_sun4v_asm.S [SPARC64]: Remove PGLIST_NENTS PCI IOMMU mapping limitation on SUN4V. 2006-03-20 01:13:41 -08:00
power.c [PATCH] sparc64 pt_regs fixes 2006-10-08 12:32:35 -07:00
process.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
prom.c [SPARC64]: Fix Tomatillo/Schizo IRQ handling. 2006-10-30 19:33:33 -08:00
ptrace.c [SPARC{32,64}]: Propagate ptrace_traceme() return value. 2006-12-10 02:40:27 -08:00
rtrap.S [SPARC64]: Add irqtrace/stacktrace/lockdep support. 2006-12-10 02:39:09 -08:00
sbus.c [PATCH] sparc64 pt_regs fixes 2006-10-08 12:32:35 -07:00
semaphore.c [SPARC64]: Avoid membar instructions in delay slots. 2005-06-27 15:42:04 -07:00
setup.c [SPARC]: Kill BOOTME_SINGLE. 2006-10-17 19:28:49 -07:00
signal.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
signal32.c [SPARC64]: Move signal compat bits to new header file. 2006-10-02 14:24:18 -07:00
smp.c [PATCH] Change cpu_up and co from __devinit to __cpuinit 2007-01-11 18:18:20 -08:00
sparc64_ksyms.c [SPARC]: Kill prom_getname, unused and not implemented properly. 2006-07-21 14:17:55 -07:00
stacktrace.c [SPARC64]: Add irqtrace/stacktrace/lockdep support. 2006-12-10 02:39:09 -08:00
starfire.c [SPARC64]: Kill starfire_cookie from SBUS/PCI. 2006-06-29 16:37:08 -07:00
sun4v_ivec.S [SPARC64]: Add irqtrace/stacktrace/lockdep support. 2006-12-10 02:39:09 -08:00
sun4v_tlb_miss.S [SPARC64]: Set g4/g5 properly in sun4v dtlb-prot handling. 2007-01-26 18:56:01 -08:00
sunos_ioctl32.c [SPARC]: Kill remaining kbio.h references. 2005-11-07 14:12:21 -08:00
sys32.S Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
sys_sparc.c [PATCH] provide kernel_execve on all architectures 2006-10-02 07:57:23 -07:00
sys_sparc32.c Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 2006-10-03 08:53:26 -07:00
sys_sunos32.c [PATCH] getting rid of all casts of k[cmz]alloc() calls 2006-12-13 09:05:58 -08:00
systbls.S [SPARC]: Fix robust futex syscalls and wire up migrate_pages. 2006-11-05 16:51:03 -08:00
time.c [PATCH] sparc64 irq pt_regs fallout 2006-10-09 14:19:07 -07:00
trampoline.S [SPARC64]: Get SUN4V SMP working. 2006-03-20 01:13:22 -08:00
traps.c [SPARC64]: Run ctrl-alt-del action for sun4v powerdown request. 2006-12-10 02:39:51 -08:00
tsb.S Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
ttable.S Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
una_asm.S [SPARC64]: Mark __ex_table section correctly. 2006-03-04 23:23:56 -08:00
unaligned.c [SPARC64]: Unaligned accesses to userspace are hard errors. 2006-12-10 02:39:39 -08:00
us2e_cpufreq.c [SPARC64]: kzalloc() conversion 2006-03-20 01:14:19 -08:00
us3_cpufreq.c [SPARC64]: kzalloc() conversion 2006-03-20 01:14:19 -08:00
visemul.c [SPARC64]: Call do_mathemu on illegal instruction traps too. 2006-12-10 02:39:32 -08:00
vmlinux.lds.S [PATCH] relocatable kernel: Kallsyms generate relocatable symbols 2006-12-07 02:14:04 +01:00
winfixup.S [SPARC64]: Fix unaligned access winfxup handling on SUN4V. 2006-03-20 01:13:39 -08:00