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Al Viro 40138249c3 sparc64: Rearrange thread info to cheaply clear syscall noerror state. 
After fixing a couple of brainos, it even seems to work.  What's done here
is move of ->syscall_noerror right before FPDEPTH byte in ->flags and
using sth to [%g6 + TI_SYS_NOERROR] instead of stb to [%g6 + TI_FPDEPTH] in
both branches of etrap_save.  AFAICS, that ought to be solid.  Again,
deciding what to do with now unused delay slot of branch on ->syscall_noerror
and dealing with the order of tests in ret_from_sys is a separate question,
but at least that way we don't have to clean ->syscall_noerror in there at
all.  AFAICS, it ought to be a clear win - sth is not going to cost more than
stb on etrap_64.S side of things, and we are losing write on syscalls.S one.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-04 14:13:29 -07:00
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alpha Prepared for main script 2012-10-03 13:45:43 -07:00
arm Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2012-10-04 09:06:34 -07:00
arm64 UAPI: (Scripted) Set up UAPI Kbuild files 2012-10-02 18:01:35 +01:00
avr32 UAPI: (Scripted) Set up UAPI Kbuild files 2012-10-02 18:01:35 +01:00
blackfin UAPI: (Scripted) Set up UAPI Kbuild files 2012-10-02 18:01:35 +01:00
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cris Prepared for main script 2012-10-03 13:45:43 -07:00
frv UAPI: (Scripted) Set up UAPI Kbuild files 2012-10-02 18:01:35 +01:00
h8300 UAPI: (Scripted) Set up UAPI Kbuild files 2012-10-02 18:01:35 +01:00
hexagon UAPI: (Scripted) Set up UAPI Kbuild files 2012-10-02 18:01:35 +01:00
ia64 KVM updates for the 3.7 merge window 2012-10-04 09:30:33 -07:00
m32r UAPI: (Scripted) Set up UAPI Kbuild files 2012-10-02 18:01:35 +01:00
m68k Prepared for main script 2012-10-03 13:45:43 -07:00
microblaze UAPI: (Scripted) Set up UAPI Kbuild files 2012-10-02 18:01:35 +01:00
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mn10300 UAPI: (Scripted) Set up UAPI Kbuild files 2012-10-02 18:01:35 +01:00
openrisc UAPI: (Scripted) Set up UAPI Kbuild files 2012-10-02 18:01:35 +01:00
parisc Prepared for main script 2012-10-03 13:45:43 -07:00
powerpc KVM updates for the 3.7 merge window 2012-10-04 09:30:33 -07:00
s390 KVM updates for the 3.7 merge window 2012-10-04 09:30:33 -07:00
score UAPI: (Scripted) Set up UAPI Kbuild files 2012-10-02 18:01:35 +01:00
sh Prepared for main script 2012-10-03 13:45:43 -07:00
sparc sparc64: Rearrange thread info to cheaply clear syscall noerror state. 2012-10-04 14:13:29 -07:00
tile Prepared for main script 2012-10-03 13:45:43 -07:00
um Prepared for main script 2012-10-03 13:45:43 -07:00
unicore32 UAPI: (Scripted) Set up UAPI Kbuild files 2012-10-02 18:01:35 +01:00
x86 KVM updates for the 3.7 merge window 2012-10-04 09:30:33 -07:00
xtensa UAPI: (Scripted) Set up UAPI Kbuild files 2012-10-02 18:01:35 +01:00
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Kconfig Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-10-01 10:43:39 -07:00