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e3100c82ab
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Thomas Gleixner e3100c82ab x86: check physical address range in ioremap 
Roland Dreier reported in http://lkml.org/lkml/2008/2/27/194

[ 8425.915139] BUG: unable to handle kernel paging request at ffffc20001a0a000
[ 8425.919087] IP: [<ffffffff8021dacc>] clflush_cache_range+0xc/0x25
[ 8425.919087] PGD 1bf80e067 PUD 1bf80f067 PMD 1bb497067 PTE 80000047000ee17b

This is on a Intel machine with 36bit physical address space. The PTE
entry references 47000ee000, which is outside of it.

Add a check for the physical address space and warn/printk about the
stupid caller.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-17 17:40:51 +02:00
..
alpha alpha: fix ALSA DMA mmap crash 2008-04-02 15:28:19 -07:00
arm [ARM] 4873/1: Fix ITE 8152 interrupt demux 2008-03-28 15:07:46 +00:00
avr32 avr32 mustn't select HAVE_IDE 2008-04-17 01:14:32 +02:00
blackfin [Blackfin] arch: fix atomic and32/xor32 comments and ENDPROC markings 2008-03-03 17:44:14 -07:00
cris cris: correct usage of __user for copy to and from user space in lib/usercopy and uaccess.h 2008-03-04 16:35:16 -08:00
frv FRV: Correctly determine the address of an illegal instruction 2008-04-14 07:55:15 -07:00
h8300 h8300: defconfig update 2008-02-23 17:12:16 -08:00
ia64 acpi: unneccessary to scan the PCI bus already scanned 2008-04-15 19:35:41 -07:00
m32r ide: introduce HAVE_IDE 2008-02-09 10:46:40 +01:00
m68k m68k: update defconfigs for 2.6.25 2008-04-04 14:42:30 -07:00
m68knommu m68k{,nommu}: Wire up new timerfd syscalls 2008-03-04 08:04:11 -08:00
mips Pb1200/DBAu1200: fix bad IDE resource size 2008-04-17 01:14:33 +02:00
mn10300 MN10300: define HZ as a config option 2008-02-23 17:12:13 -08:00
parisc [PARISC] fix signal trampoline cache flushing 2008-04-15 15:51:36 -07:00
powerpc [POWERPC] Fix MPC5200 (not B!) device tree so FEC ethernet works 2008-04-03 22:11:12 +11:00
ppc [PPC] 8xx: swap bug-fix 2008-03-07 16:56:54 -06:00
s390 [S390] futex: let futex_atomic_cmpxchg_pt survive early functional tests. 2008-03-20 17:33:46 +01:00
sh sh: export empty_zero_page 2008-04-16 02:21:47 +09:00
sparc [SPARC]: Fix several regset and ptrace bugs. 2008-04-09 19:39:25 -07:00
sparc64 [SPARC]: Fix several regset and ptrace bugs. 2008-04-09 19:39:25 -07:00
um [UML]: uml-net: don't set IFF_ALLMULTI in set_multicast_list 2008-03-26 00:16:29 -07:00
v850 ide: introduce HAVE_IDE 2008-02-09 10:46:40 +01:00
x86 x86: check physical address range in ioremap 2008-04-17 17:40:51 +02:00
xtensa [XTENSA] Allow debugger to modify the WINDOWBASE register. 2008-02-13 17:45:36 -08:00
.gitignore arch: Ignore arch/i386 and arch/x86_64 2008-01-19 21:29:39 -08:00
Kconfig Kprobes: indicate kretprobe support in Kconfig 2008-03-04 16:35:11 -08:00