AuxXxilium/linux_dsm_epyc7002
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d71f290b4e
linux_dsm_epyc7002/arch/parisc/include/asm
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James Hogan d71f290b4e metag: Reduce maximum stack size to 256MB 
Specify the maximum stack size for arches where the stack grows upward
(parisc and metag) in asm/processor.h rather than hard coding in
fs/exec.c so that metag can specify a smaller value of 256MB rather than
1GB.

This fixes a BUG on metag if the RLIMIT_STACK hard limit is increased
beyond a safe value by root. E.g. when starting a process after running
"ulimit -H -s unlimited" it will then attempt to use a stack size of the
maximum 1GB which is far too big for metag's limited user virtual
address space (stack_top is usually 0x3ffff000):

BUG: failure at fs/exec.c:589/shift_arg_pages()!

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: linux-parisc@vger.kernel.org
Cc: linux-metag@vger.kernel.org
Cc: John David Anglin <dave.anglin@bell.net>
Cc: stable@vger.kernel.org # only needed for >= v3.9 (arch/metag)
2014-05-15 00:00:35 +01:00
..
agp.h agp: kill phys_to_gart() and gart_to_phys() 2009-08-03 09:05:00 +01:00
asm-offsets.h kbuild: move asm-offsets.h to include/generated 2009-12-12 13:08:14 +01:00
asmregs.h
assembly.h parisc: provide macro to create exception table entries 2013-11-07 22:25:33 +01:00
atomic.h parisc: implement atomic64_dec_if_positive() 2013-05-06 23:10:04 +02:00
bitops.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
bug.h [PARISC] fix missing TAINT_WARN problem 2012-06-05 14:10:17 +09:00
bugs.h
cache.h parisc: remove homegrown L1_CACHE_ALIGN macro 2010-10-21 21:20:09 -04:00
cacheflush.h parisc: fix cache-flushing 2014-02-02 20:57:16 +01:00
checksum.h parisc: fix ipv6 checksum 2009-01-05 19:11:05 +00:00
cmpxchg.h parisc: fix missing cmpxchg file error from system.h split 2012-04-02 14:41:26 -07:00
compat_ucontext.h
compat.h parisc: convert msgrcv and msgsnd syscalls to use compat layer 2013-02-20 22:56:50 +01:00
current.h
delay.h parisc: make udelay() SMP-safe 2013-11-07 22:28:26 +01:00
dma-mapping.h parisc: Provide default implementation for dma_{alloc, free}_attrs 2013-05-06 22:29:09 +02:00
dma.h Disintegrate asm/system.h for PA-RISC 2012-03-28 18:30:02 +01:00
eisa_bus.h
eisa_eeprom.h Fix common misspellings 2011-03-31 11:26:23 -03:00
elf.h parisc: add flexible mmap memory layout support 2014-02-02 21:00:13 +01:00
fb.h
fixmap.h parisc: rename parisc's vmalloc_start to parisc_vmalloc_start 2009-09-27 23:27:04 -04:00
floppy.h parisc: remove IRQF_DISABLED 2013-02-20 22:50:26 +01:00
ftrace.h parisc: add CALLER_ADDR{0-6} macros 2009-12-16 03:48:54 +00:00
futex.h [PARISC] futex: Use same lock set as lws calls 2012-02-27 09:35:08 -06:00
grfioctl.h
hardirq.h parisc: do not count IPI calls twice 2013-11-07 22:28:54 +01:00
hardware.h parisc: drop include of asm/pdc.h from asm/hardware.h 2012-05-10 15:12:08 -07:00
ide.h
io.h parisc: define x->x mmio accessors 2009-03-13 01:20:48 -04:00
irq.h [PARISC] Convert to new irq_chip functions 2011-02-10 10:22:14 -06:00
irqflags.h Fix IRQ flag handling naming 2010-10-07 14:08:55 +01:00
kbdleds.h keyboard: Use BIOS Keyboard variable to set Numlock 2012-05-08 14:19:41 -07:00
Kbuild locking/mcs: Allow architecture specific asm files to be used for contended case 2014-02-09 21:18:52 +01:00
kmap_types.h kmap_types: make most arches use generic header file 2009-06-16 19:47:51 -07:00
ldcw.h Disintegrate asm/system.h for PA-RISC 2012-03-28 18:30:02 +01:00
led.h
linkage.h
machdep.h
mc146818rtc.h
mckinley.h
mmu_context.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
mmu.h
mmzone.h parisc: fix kernel BUG at arch/parisc/include/asm/mmzone.h:50 (part 2) 2013-06-18 20:20:21 +02:00
module.h Make most arch asm/module.h files use asm-generic/module.h 2012-09-28 14:31:03 +09:30
page.h parisc: Remove unused CONFIG_PARISC_TMPALIAS code 2014-03-23 16:46:30 +01:00
parisc-device.h parisc: Fix interrupt routing for C8000 serial ports 2013-07-31 23:42:32 +02:00
parport.h ARCH: drivers remove __dev* attributes. 2013-01-03 15:57:13 -08:00
pci.h parisc: provide pci_mmap_page_range() for parisc 2013-06-18 20:29:08 +02:00
pdc_chassis.h
pdc.h UAPI: (Scripted) Disintegrate arch/parisc/include/asm 2012-10-16 21:28:05 +01:00
pdcpat.h
perf_event.h irq_work: Add generic hardirq context callbacks 2010-10-18 19:58:50 +02:00
perf.h
pgalloc.h parisc: handle pgtable_page_ctor() fail 2013-11-15 09:32:18 +09:00
pgtable.h parisc: add flexible mmap memory layout support 2014-02-02 21:00:13 +01:00
prefetch.h [PARISC] fix panic on prefetch(NULL) on PA7300LC 2012-05-16 13:15:21 +01:00
processor.h metag: Reduce maximum stack size to 256MB 2014-05-15 00:00:35 +01:00
psw.h Disintegrate asm/system.h for PA-RISC 2012-03-28 18:30:02 +01:00
ptrace.h parisc: add kernel audit feature 2013-11-07 22:27:20 +01:00
ropes.h
rt_sigframe.h
rtc.h
runway.h
scatterlist.h remove needless ISA_DMA_THRESHOLD 2010-08-07 18:15:50 +02:00
sections.h
serial.h parisc: remove empty SERIAL_PORT_DFNS in serial.h 2013-11-30 21:02:18 +01:00
shmparam.h parisc: change value of SHMLBA from 0x00400000 to PAGE_SIZE 2014-04-13 15:00:53 +02:00
signal.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2013-02-23 18:50:11 -08:00
smp.h [PARISC] Fix parisc compile failure after smp: Add task_struct argument to __cpu_up() 2012-05-25 12:35:45 +01:00
socket.h parisc: break out SOCK_NONBLOCK define to own asm header file 2013-11-19 23:36:17 +01:00
special_insns.h parisc: optimize mtsp(0,sr) inline assembly 2013-07-09 22:09:21 +02:00
spinlock_types.h locking: Convert raw_rwlock to arch_rwlock 2009-12-14 23:55:32 +01:00
spinlock.h parisc: locks: remove redundant arch_*_relax operations 2014-03-23 17:01:23 +01:00
string.h
superio.h
switch_to.h Disintegrate asm/system.h for PA-RISC 2012-03-28 18:30:02 +01:00
syscall.h parisc: add skeleton syscall.h 2009-09-27 23:07:23 -04:00
termios.h UAPI: (Scripted) Disintegrate arch/parisc/include/asm 2012-10-16 21:28:05 +01:00
thread_info.h parisc: add flexible mmap memory layout support 2014-02-02 21:00:13 +01:00
timex.h Disintegrate asm/system.h for PA-RISC 2012-03-28 18:30:02 +01:00
tlb.h mm: Pass virtual address to [__]p{te,ud,md}_free_tlb() 2009-07-27 12:10:38 -07:00
tlbflush.h parisc: Ensure volatile space register %sr1 is not clobbered 2013-07-09 22:09:22 +02:00
traps.h parisc: mark parisc_terminate() noreturn and cold. 2013-10-13 17:44:49 +02:00
uaccess.h Revert "parisc: implement full version of access_ok()" 2013-11-19 23:31:35 +01:00
ucontext.h
unaligned.h
unistd.h consolidate cond_syscall and SYSCALL_ALIAS declarations 2013-03-03 22:55:19 -05:00
unwind.h