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linux/arch/sparc/kernel
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David S. Miller 26e272a3c2 sparc64: Fix sun4u execute bit check in TSB I-TLB load. 
[ Upstream commit 1f474646fd ]

Thanks to testcase and report from Brad Spengler:

--------------------
#include <stdio.h>

typedef int (* _wee)(void);

int main(void)
{
        char buf[8] = { '\x81', '\xc7', '\xe0', '\x08', '\x81', '\xe8',
                        '\x00', '\x00' };
        _wee wee;
        printf("%p\n", &buf);
        wee = (_wee)&buf;
        wee();

        return 0;
}
--------------------

TSB I-tlb load code tries to use andcc to check the _PAGE_EXEC_4U bit,
but that's bit 12 so it gets sign extended all the way up to bit 63
and the test nearly always passes as a result.

Use sethi to fix the bug.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-15 08:49:38 -07:00
..
.gitignore
sparc: gitignore a few files
2008-12-04 09:17:15 -08:00
apc.c
sparc: correct section of apc_no_idle
2008-10-22 21:53:43 -07:00
asm-offsets.c
sparc,sparc64: unify asm-offsets.c
2008-12-04 09:17:12 -08:00
audit.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
auxio_32.c
sparc: move EXPORT_SYMBOL to the symbols definition
2009-01-08 16:58:05 -08:00
auxio_64.c
sparc64: move EXPORT_SYMBOL to the symbols definition
2009-01-08 16:58:20 -08:00
central.c
sparc: leds_resource.end assigned to itself in clock_board_probe()
2010-03-15 08:49:38 -07:00
cherrs.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
chmc.c
sparc64: Fix crashes in jbusmc_print_dimm()
2009-02-11 00:54:07 -08:00
compat_audit.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
cpu.c
sparc,leon: Introduce the sparc-leon CPU type.
2009-08-17 18:32:10 -07:00
cpumap.c
sparc64: fix and optimize irq distribution
2009-06-16 04:56:28 -07:00
cpumap.h
sparc64: fix and optimize irq distribution
2009-06-16 04:56:28 -07:00
devices.c
sparc: drop CONFIG_SUN_AUXIO
2008-12-04 13:26:31 -08:00
dma.c
sparc: Add CONFIG_DMA_API_DEBUG support
2009-08-10 09:35:00 +02:00
ds.c
sparc64: Defer cpu_data() setup until end of per-cpu data initialization.
2009-06-16 04:56:22 -07:00
dtlb_miss.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
dtlb_prot.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
ebus.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
entry.h
sparc: fix sparse warnings in irq_32.c
2008-12-08 01:08:24 -08:00
entry.S
[CVE-2009-0029] Remove __attribute__((weak)) from sys_pipe/sys_pipe2
2009-01-14 14:15:15 +01:00
etrap_32.S
sparc: prepare kernel/ for unification
2008-12-04 09:17:20 -08:00
etrap_64.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
fpu_traps.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
ftrace.c
sparc64: Add proper dynamic ftrace support.
2009-06-16 04:56:53 -07:00
getsetcc.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
head_32.S
sparc,leon: Introduce the sparc-leon CPU type.
2009-08-17 18:32:10 -07:00
head_64.S
sparc64: Store per-cpu offset in trap_block[]
2009-06-16 04:56:11 -07:00
helpers.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
hvapi.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
hvcalls.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
hvtramp.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
idprom.c
sparc,leon: Introduce the sparc-leon CPU type.
2009-08-17 18:32:10 -07:00
init_task.c
Use new __init_task_data macro in arch init_task.c files.
2009-09-21 06:27:08 +02:00
iommu_common.h
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
iommu.c
sparc: Use asm-generic/pci-dma-compat
2009-08-10 09:35:00 +02:00
ioport.c
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
2009-09-11 20:35:13 -07:00
irq_32.c
sparc,leon: Introduce the sparc-leon CPU type.
2009-08-17 18:32:10 -07:00
irq_64.c
trivial: remove unnecessary semicolons
2009-09-21 15:14:58 +02:00
irq.h
sparc32: Kill clear_profile_irq btfixup entry.
2008-09-19 21:17:59 -07:00
itlb_miss.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
ivec.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
kernel.h
sparc: Probe PMU type and record in sparc_pmu_type.
2009-01-28 17:27:14 -08:00
kgdb_32.c
sparc: add '32' suffix to reg_window, sigcontext, __siginfo_t
2009-01-02 19:32:59 -08:00
kgdb_64.c
sparc64: Reschedule KGDB capture to a software interrupt.
2009-03-18 23:51:57 -07:00
kprobes.c
trivial: fix then -> than typos in comments and documentation
2009-01-06 11:28:06 +01:00
kstack.h
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
ktlb.S
sparc64: Increase vmalloc size to fix percpu regressions.
2009-09-28 14:39:58 -07:00
ldc.c
sparc64: Don't specify IRQF_SHARED for LDC interrupts.
2009-12-18 14:05:10 -08:00
led.c
proc 2/2: remove struct proc_dir_entry::owner
2009-03-31 01:14:44 +04:00
leon_kernel.c
sparc,leon: CONFIG_SPARC_LEON option and leon specific files.
2009-08-17 18:32:09 -07:00
Makefile
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next
2009-09-23 15:37:02 -07:00
mdesc.c
sparc64: Defer cpu_data() setup until end of per-cpu data initialization.
2009-06-16 04:56:22 -07:00
misctrap.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
module.c
module: cleanup FIXME comments about trimming exception table entries.
2009-06-12 21:47:05 +09:30
muldiv.c
sparc: add '32' suffix to reg_window, sigcontext, __siginfo_t
2009-01-02 19:32:59 -08:00
nmi.c
sparc64: Fix NMI programming when perf events are active.
2010-01-22 15:18:31 -08:00
of_device_32.c
sparc,leon: Added support for AMBAPP bus.
2009-08-17 18:32:10 -07:00
of_device_64.c
sparc64: Fix overly strict range type matching for PCI devices.
2009-12-18 14:05:11 -08:00
of_device_common.c
sparc: move of_device common code to of_device_common
2009-06-16 04:56:49 -07:00
of_device_common.h
sparc: move of_device common code to of_device_common
2009-06-16 04:56:49 -07:00
pci_common.c
sparc64: Fix crash with /proc/iomem
2009-03-18 23:53:16 -07:00
pci_fire.c
sparc64: Fix section mismatch warnings in PCI controller drivers.
2009-04-08 03:28:15 -07:00
pci_impl.h
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
pci_msi.c
sparc64: Use unsigned long long for u64.
2009-01-06 13:19:28 -08:00
pci_psycho.c
sparc64: Fix section mismatch warnings in PCI controller drivers.
2009-04-08 03:28:15 -07:00
pci_sabre.c
sparc64: Fix section mismatch warnings in PCI controller drivers.
2009-04-08 03:28:15 -07:00
pci_schizo.c
sparc64: Use unsigned long long for u64.
2009-01-06 13:19:28 -08:00
pci_sun4v_asm.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
pci_sun4v.c
sparc: Remove no-op dma_4v_sync_single_for_cpu and dma_4v_sync_sg_for_cpu
2009-08-10 09:34:59 +02:00
pci_sun4v.h
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
pci.c
sparc: Use asm-generic/pci-dma-compat
2009-08-10 09:35:00 +02:00
pcic.c
sparc: move EXPORT_SYMBOL to the symbols definition
2009-01-08 16:58:05 -08:00
pcr.c
perf: Do the big rename: Performance Counters -> Performance Events
2009-09-21 14:28:04 +02:00
perf_event.c
sparc64: Fix Niagara2 perf event handling.
2010-01-22 15:18:33 -08:00
pmc.c
sparc: fix trivial style issues in kernel/pmc.c
2008-12-08 01:02:55 -08:00
power.c
sparc64: Fix section mismatch warnings in power driver.
2009-04-08 03:27:52 -07:00
process_32.c
sparc: Align clone and signal stacks to 16 bytes.
2010-03-15 08:49:38 -07:00
process_64.c
sparc: Align clone and signal stacks to 16 bytes.
2010-03-15 08:49:38 -07:00
prom_32.c
sparc,leon: Added support for AMBAPP bus.
2009-08-17 18:32:10 -07:00
prom_64.c
sparc64: Defer cpu_data() setup until end of per-cpu data initialization.
2009-06-16 04:56:22 -07:00
prom_common.c
sparc: Move of_set_property_mutex acquisition outside of devtree_lock grab.
2009-11-08 17:41:20 -08:00
prom_irqtrans.c
sparc64: Use unsigned long long for u64.
2009-01-06 13:19:28 -08:00
prom.h
sparc: Call OF and MD cpu scanning explicitly from paging_init()
2009-06-16 04:56:19 -07:00
psycho_common.c
sparc64: fix warnings in psycho_common after ull conversion
2009-01-08 11:37:19 -08:00
psycho_common.h
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
ptrace_32.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
ptrace_64.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
reboot.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
rtrap_32.S
sparc: prepare kernel/ for unification
2008-12-04 09:17:20 -08:00
rtrap_64.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
sbus.c
sparc64: move EXPORT_SYMBOL to the symbols definition
2009-01-08 16:58:20 -08:00
setup_32.c
sparc: Kill PROM console driver.
2009-09-15 17:04:38 -07:00
setup_64.c
sparc: Kill PROM console driver.
2009-09-15 17:04:38 -07:00
signal32.c
sparc: Align clone and signal stacks to 16 bytes.
2010-03-15 08:49:38 -07:00
signal_32.c
sparc: Align clone and signal stacks to 16 bytes.
2010-03-15 08:49:38 -07:00
signal_64.c
sparc: Align clone and signal stacks to 16 bytes.
2010-03-15 08:49:38 -07:00
smp_32.c
cpumask: use mm_cpumask() wrapper: sparc
2009-03-16 14:40:39 +10:30
smp_64.c
sparc64: implement page mapping percpu first chunk allocator
2009-09-29 09:17:57 +09:00
sparc_ksyms_32.c
sparc: Eliminate PROMLIB_INTERNAL as it does nothing
2009-01-08 16:59:01 -08:00
sparc_ksyms_64.c
sparc64: Fix UP build failure.
2009-01-13 17:38:24 -08:00
spiterrs.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
sstate.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
stacktrace.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
starfire.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
sun4c_irq.c
sparc: Add missing of_node_put
2008-12-04 09:17:22 -08:00
sun4d_irq.c
cpumask: remove references to struct irqaction's mask field.
2009-03-30 22:05:14 +10:30
sun4d_smp.c
sparc32: Kill trap table freeing code.
2009-08-18 23:44:08 -07:00
sun4m_irq.c
sparc: Add missing of_node_put
2008-12-04 09:17:22 -08:00
sun4m_smp.c
sparc32: Kill trap table freeing code.
2009-08-18 23:44:08 -07:00
sun4v_ivec.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
sun4v_tlb_miss.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
sys32.S
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
2009-09-14 10:37:28 -07:00
sys_sparc32.c
headers: utsname.h redux
2009-09-23 18:13:10 -07:00
sys_sparc_32.c
untangle the do_mremap() mess
2010-01-18 10:19:11 -08:00
sys_sparc_64.c
untangle the do_mremap() mess
2010-01-18 10:19:11 -08:00
syscalls.S
sparc64: Annotate sparc64 specific syscalls with SYSCALL_DEFINEx()
2009-01-19 21:11:27 -08:00
sysfs.c
sparc64: cheaper asm/uaccess.h inclusion
2009-08-16 18:25:53 -07:00
systbls_32.S
untangle the do_mremap() mess
2010-01-18 10:19:11 -08:00
systbls_64.S
untangle the do_mremap() mess
2010-01-18 10:19:11 -08:00
systbls.h
untangle the do_mremap() mess
2010-01-18 10:19:11 -08:00
tadpole.c
…
tick14.c
sparc32: Delete claim_ticker14().
2008-09-19 21:18:01 -07:00
time_32.c
sparc: move EXPORT_SYMBOL to the symbols definition
2009-01-08 16:58:05 -08:00
time_64.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
trampoline_32.S
sparc: prepare kernel/ for unification
2008-12-04 09:17:20 -08:00
trampoline_64.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
traps_32.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
traps_64.c
sparc64: Use BUILD_BUG_ON() in trap_init().
2009-06-16 04:56:13 -07:00
tsb.S
sparc64: Fix sun4u execute bit check in TSB I-TLB load.
2010-03-15 08:49:38 -07:00
ttable.S
sparc64: Reschedule KGDB capture to a software interrupt.
2009-03-18 23:51:57 -07:00
una_asm_32.S
sparc: prepare kernel/ for unification
2008-12-04 09:17:20 -08:00
una_asm_64.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
unaligned_32.c
sparc: add '32' suffix to reg_window, sigcontext, __siginfo_t
2009-01-02 19:32:59 -08:00
unaligned_64.c
sparc: Most unaligned_64.c tweaks for branch tracer warnings.
2009-01-08 16:52:36 -08:00
us2e_cpufreq.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
us3_cpufreq.c
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
utrap.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
vio.c
sparc: remove driver-core BUS_ID_SIZE
2009-07-12 13:02:09 -07:00
viohs.c
sparc64: refactor code in viohs.c
2009-01-06 12:46:46 -08:00
visemul.c
sparc64: replace parentheses in pmul()
2009-11-08 00:26:56 -08:00
vmlinux.lds.S
sparc: Clean up linker script using new linker script macros.
2009-09-18 13:57:18 -07:00
windows.c
sparc: add '32' suffix to reg_window, sigcontext, __siginfo_t
2009-01-02 19:32:59 -08:00
winfixup.S
sparc,sparc64: unify kernel/
2008-12-04 09:17:21 -08:00
wof.S
sparc/kernel/: possible cleanups
2008-07-17 21:37:46 -07:00
wuf.S
sparc/kernel/: possible cleanups
2008-07-17 21:37:46 -07:00