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aa6758d486
linux_dsm_epyc7002/arch/um/include
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Paolo 'Blaisorblade' Giarrusso aa6758d486 [PATCH] uml: implement {get,set}_thread_area for i386 
Implement sys_[gs]et_thread_area and the corresponding ptrace operations for
UML.  This is the main chunk, additional parts follow.  This implementation is
now well tested and has run reliably for some time, and we've understood all
the previously existing problems.

Their implementation saves the new GDT content and then forwards the call to
the host when appropriate, i.e.  immediately when the target process is
running or on context switch otherwise (i.e.  on fork and on ptrace() calls).

In SKAS mode, we must switch registers on each context switch (because SKAS
does not switches tls_array together with current->mm).

Also, added get_cpu() locking; this has been done for SKAS mode, since TT does
not need it (it does not use smp_processor_id()).

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-31 12:18:52 -08:00
..
skas [PATCH] uml: oS header cleanups 2006-03-27 08:44:38 -08:00
sysdep-i386 [PATCH] uml: clean arch_switch usage 2006-03-31 12:18:52 -08:00
sysdep-ia64 [PATCH] uml: S390 preparation, abstract host page fault data 2005-05-05 16:36:36 -07:00
sysdep-ppc [PATCH] uml: S390 preparation, abstract host page fault data 2005-05-05 16:36:36 -07:00
sysdep-x86_64 [PATCH] uml: fix missing KBUILD_BASENAME 2006-01-11 18:42:09 -08:00
tt [PATCH] uml: move headers to arch/um/include 2006-01-18 19:20:19 -08:00
aio.h [PATCH] uml: revert block driver use of host AIO 2005-10-12 08:22:26 -07:00
chan_kern.h [PATCH] uml: Add throttling to console driver 2006-01-06 08:33:46 -08:00
chan_user.h [PATCH] uml console channels: fix the API of console_write 2005-11-13 18:14:14 -08:00
choose-mode.h [PATCH] uml: better diagnostics for broken configs 2006-01-06 08:33:47 -08:00
common-offsets.h [PATCH] uml makefiles sanitized 2005-09-29 08:46:26 -07:00
elf_user.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
frame_kern.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
init.h [PATCH] uml: fix ((unused)) attribute 2006-02-24 14:31:37 -08:00
initrd.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
irq_kern.h [PATCH] uml: use host AIO support 2005-09-05 00:06:23 -07:00
irq_user.h [PATCH] uml: move libc-dependent irq code to os-Linux 2006-03-27 08:44:37 -08:00
kern_util.h [PATCH] uml: clean arch_switch usage 2006-03-31 12:18:52 -08:00
kern.h [PATCH] uml: fix declaration of exit() 2006-03-27 08:44:37 -08:00
line.h [PATCH] uml: sparse cleanups 2006-03-31 12:18:51 -08:00
longjmp.h [PATCH] uml: use setjmp/longjmp instead of sigsetjmp/siglongjmp 2006-01-18 19:20:20 -08:00
mconsole_kern.h [PATCH] uml: hot-unplug code cleanup 2005-06-25 16:24:36 -07:00
mconsole.h [PATCH] uml: add mconsole_reply variant with length param 2006-01-06 08:33:47 -08:00
mem_kern.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mem_user.h [PATCH] UML: Hotplug memory, take 2 2006-03-31 12:18:50 -08:00
mem.h [PATCH] uml: inline mk_pte and various friends 2005-09-10 12:00:18 -07:00
misc_constants.h [PATCH] uml: move libc-dependent irq code to os-Linux 2006-03-27 08:44:37 -08:00
mode_kern.h [PATCH] uml: move headers to arch/um/include 2006-01-18 19:20:19 -08:00
mode.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
net_kern.h [PATCH] missing platform_device.h includes 2005-11-01 21:50:01 -08:00
net_user.h [PATCH] uml: fix UML network driver endianness bugs 2005-11-07 07:53:30 -08:00
os.h [PATCH] uml: implement {get,set}_thread_area for i386 2006-03-31 12:18:52 -08:00
process.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ptrace_user.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
registers.h [PATCH] uml: initialize process FP registers properly 2006-02-07 16:12:32 -08:00
sigcontext.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sigio.h [PATCH] uml: move sigio_user.c to os-Linux/sigio.c 2006-03-27 08:44:38 -08:00
signal_kern.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
skas_ptrace.h [PATCH] uml: header and code cleanup 2005-05-05 16:36:39 -07:00
skas_ptregs.h [PATCH] uml makefiles sanitized 2005-09-29 08:46:26 -07:00
syscall.h [PATCH] uml: system call path cleanup 2005-09-05 00:06:23 -07:00
sysrq.h [PATCH] uml: stack dump fix 2005-05-28 16:46:13 -07:00
task.h [PATCH] uml makefiles sanitized 2005-09-29 08:46:26 -07:00
tempfile.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
tlb.h [PATCH] mm: uml kill unused 2005-10-29 21:40:42 -07:00
ubd_user.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
um_mmu.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
um_uaccess.h [PATCH] uml: fix compile error for tt 2005-12-12 08:57:43 -08:00
umid.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
uml_uaccess.h [PATCH] uml: separate libc-dependent uaccess code 2005-11-07 07:53:31 -08:00
user_util.h [PATCH] uml: redeclare highmem 2006-03-31 12:18:50 -08:00
user.h [PATCH] uml: avoid malloc to sleep in atomic sections 2006-01-18 19:20:21 -08:00