AuxXxilium/linux_dsm_epyc7002
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9f6547a320
linux_dsm_epyc7002/arch/tile/include/asm
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Jiri Kosina 9f6547a320 tile: fix personality bits handling upon exec() 
Historically, the top three bytes of personality have been used for
things such as ADDR_NO_RANDOMIZE, which made sense only for specific
architectures.

We now however have a flag there that is general no matter the
architecture (UNAME26); generally we have to be careful to preserve the
personality flags across exec().

This patch fixes tile architecture not to forcefully overwrite
personality flags during exec().

In addition to that, we fix two other things along the way:

- exec_domain switching is fixed -- set_personality() should always
  be used instead of directly assigning to current->personality.
- as pointed out by Arnd Bergmann, PER_LINUX_32BIT is not used anywhere
  by tile, so let's just drop that in favor of PER_LINUX

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-06 03:04:47 +09:00
..
asm-offsets.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
atomic_32.h arch/tile: optimize get_user/put_user and friends 2012-05-25 12:48:23 -04:00
atomic_64.h Disintegrate asm/system.h for Tile 2012-03-28 18:30:03 +01:00
atomic.h tile: fix multiple build failures from system.h dismantle 2012-04-02 11:57:37 -04:00
auxvec.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
backtrace.h arch/tile: refactor backtracing code 2011-05-02 13:49:14 -04:00
barrier.h Disintegrate asm/system.h for Tile 2012-03-28 18:30:03 +01:00
bitops_32.h Disintegrate asm/system.h for Tile 2012-03-28 18:30:03 +01:00
bitops_64.h arch/tile: fix gcc 4.6 warnings in <asm/bitops_64.h> 2012-04-02 12:00:15 -04:00
bitops.h tile: fix bug where fls(0) was not returning 0 2012-05-25 15:00:43 -04:00
bitsperlong.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
byteorder.h arch/tile: support building big-endian kernel 2012-05-25 12:48:22 -04:00
cache.h tilegx pci: support I/O to arbitrarily-cached pages 2012-07-18 16:40:05 -04:00
cachectl.h arch/tile: support <asm/cachectl.h> header for cacheflush() syscall 2012-05-25 12:48:24 -04:00
cacheflush.h Disintegrate asm/system.h for Tile 2012-03-28 18:30:03 +01:00
checksum.h arch/tile: break out the "csum a long" function to <asm/checksum.h> 2012-07-11 16:04:57 -04:00
cmpxchg.h tile: fix multiple build failures from system.h dismantle 2012-04-02 11:57:37 -04:00
compat.h bury __kernel_nlink_t, make internal nlink_t consistent 2012-05-30 21:04:50 -04:00
current.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
delay.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
device.h tile pci: enable IOMMU to support DMA for legacy devices 2012-07-18 16:40:17 -04:00
dma-mapping.h tile pci: enable IOMMU to support DMA for legacy devices 2012-07-18 16:40:17 -04:00
dma.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
edac.h drivers/edac: provide support for tile architecture 2011-03-10 13:30:14 -05:00
elf.h tile: fix personality bits handling upon exec() 2012-10-06 03:04:47 +09:00
exec.h Disintegrate asm/system.h for Tile 2012-03-28 18:30:03 +01:00
fixmap.h tilegx pci: support I/O to arbitrarily-cached pages 2012-07-18 16:40:05 -04:00
ftrace.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
futex.h arch/tile: optimize get_user/put_user and friends 2012-05-25 12:48:23 -04:00
hardirq.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
hardwall.h arch/tile: fix hardwall for tilegx and generalize for idn and ipi 2012-05-25 12:48:27 -04:00
highmem.h highmem: kill all __kmap_atomic() 2012-03-20 21:48:30 +08:00
homecache.h tilegx pci: support I/O to arbitrarily-cached pages 2012-07-18 16:40:05 -04:00
hugetlb.h arch/tile: support multiple huge page sizes dynamically 2012-05-25 12:48:27 -04:00
hv_driver.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
hw_irq.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
ide.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
io.h arch/tile: support MMIO-based readb/writeb etc. 2012-07-11 16:04:53 -04:00
irq.h arch/tile: use 0 for IRQ_RESCHEDULE instead of 1 2012-04-02 12:00:16 -04:00
irqflags.h arch/tile: use interrupt critical sections less 2012-05-25 12:48:20 -04:00
Kbuild Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2012-07-30 11:24:53 -07:00
kexec.h arch/tile: support kexec() for tilegx 2012-05-25 12:48:25 -04:00
kmap_types.h tile: remove km_type definitions 2012-07-24 15:27:32 +08:00
kvm_para.h kvmclock: Add functions to check if the host has stopped the vm 2012-04-08 12:48:59 +03:00
linkage.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
mman.h arch/tile: provide a definition of MAP_STACK 2010-10-14 15:09:02 -04:00
mmu_context.h arch/tile: Allow tilegx to build with either 16K or 64K page size 2012-05-25 12:48:24 -04:00
mmu.h arch/tile: Allow tilegx to build with either 16K or 64K page size 2012-05-25 12:48:24 -04:00
mmzone.h Fix node_start/end_pfn() definition for mm/page_cgroup.c 2011-06-27 14:13:09 -07:00
module.h arch/tile: Allow tilegx to build with either 16K or 64K page size 2012-05-25 12:48:24 -04:00
page.h tilegx pci: support I/O to arbitrarily-cached pages 2012-07-18 16:40:05 -04:00
pci.h tile: updates to pci root complex from community feedback 2012-07-18 16:54:16 -04:00
percpu.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
pgalloc.h arch/tile: Allow tilegx to build with either 16K or 64K page size 2012-05-25 12:48:24 -04:00
pgtable_32.h arch/tile: Allow tilegx to build with either 16K or 64K page size 2012-05-25 12:48:24 -04:00
pgtable_64.h arch/tile: Allow tilegx to build with either 16K or 64K page size 2012-05-25 12:48:24 -04:00
pgtable.h arch/tile: support multiple huge page sizes dynamically 2012-05-25 12:48:27 -04:00
processor.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2012-05-25 15:59:38 -07:00
ptrace.h ptrace: unify show_regs() prototype 2011-07-26 16:49:43 -07:00
sections.h arch/tile: Miscellaneous cleanup changes. 2010-07-06 13:41:51 -04:00
setup.h arch/tile: fix hardwall for tilegx and generalize for idn and ipi 2012-05-25 12:48:27 -04:00
sigcontext.h arch/tile: avoid ISO namespace pollution with <asm/sigcontext.h> 2011-11-03 16:58:36 -04:00
sigframe.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
siginfo.h arch/tile: Fix a couple of issues with the COMPAT code for TILE-Gx. 2010-08-13 08:32:21 -04:00
signal.h UAPI: Split trivial #if defined(__KERNEL__) && X conditionals 2011-12-13 15:07:49 +00:00
smp.h smp: introduce a generic on_each_cpu_mask() function 2012-03-28 17:14:35 -07:00
spinlock_32.h Disintegrate asm/system.h for Tile 2012-03-28 18:30:03 +01:00
spinlock_64.h arch/tile: use atomic exchange in arch_write_unlock() 2012-04-02 12:13:49 -04:00
spinlock_types.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
spinlock.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
stack.h arch/tile: various bugs in stack backtracer 2012-04-02 12:12:45 -04:00
stat.h arch/tile: various header improvements for building drivers 2011-05-04 14:40:54 -04:00
string.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
swab.h arch/tile: various header improvements for building drivers 2011-05-04 14:40:54 -04:00
switch_to.h Disintegrate asm/system.h for Tile 2012-03-28 18:30:03 +01:00
syscall.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
syscalls.h arch/tile: support <asm/cachectl.h> header for cacheflush() syscall 2012-05-25 12:48:24 -04:00
thread_info.h tile: remove cpu_idle_on_new_stack 2012-06-06 11:29:31 -04:00
tile-desc_32.h arch/tile: factor out <arch/opcode.h> header 2011-11-03 16:58:54 -04:00
tile-desc_64.h arch/tile: factor out <arch/opcode.h> header 2011-11-03 16:58:54 -04:00
tile-desc.h arch/tile: factor out <arch/opcode.h> header 2011-11-03 16:58:54 -04:00
timex.h Disintegrate asm/system.h for Tile 2012-03-28 18:30:03 +01:00
tlb.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
tlbflush.h arch/tile: support multiple huge page sizes dynamically 2012-05-25 12:48:27 -04:00
topology.h tile: Remove SD_PREFER_LOCAL leftover 2012-08-15 13:22:55 +02:00
traps.h arch/tile: work around a hardware issue with the return-address stack 2012-04-02 12:12:48 -04:00
uaccess.h tile: fix bug in get_user() for 4-byte values 2012-06-16 16:56:13 -04:00
unaligned.h Disintegrate asm/system.h for Tile 2012-03-28 18:30:03 +01:00
unistd.h arch/tile: support <asm/cachectl.h> header for cacheflush() syscall 2012-05-25 12:48:24 -04:00
user.h arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
vga.h arch/tile: various header improvements for building drivers 2011-05-04 14:40:54 -04:00