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Ralf Baechle f8829caee3 [MIPS] Fix aliasing bug in copy_to_user_page / copy_from_user_page ... The current implementation uses a sequence of a cacheflush and a copy. This is racy in case of a multithreaded debuggee and renders GDB virtually unusable. Aside this fixes a performance hog rendering access to /proc/cmdline very slow and resulting in a enough cache stalls for the 34K AP/SP programming model to make the bare metal code on the non-Linux VPE miss RT deadlines. The main part of this patch was originally written by Ralf Baechle; Atushi Nemoto did the the debugging. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>		19 years ago
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arc	Remove obsolete #include <linux/config.h>	19 years ago
au1000	[MIPS] A few more pt_regs fixups.	19 years ago
basler/excite	[MIPS] Complete fixes after removal of pt_regs argument to int handlers.	19 years ago
boot	…
cobalt	[MIPS] Cleanup unnecessary <asm/ptrace.h> inclusions.	19 years ago
configs	[MIPS] Update tb0287_defconfig	19 years ago
ddb5xxx	[MIPS] Complete fixes after removal of pt_regs argument to int handlers.	19 years ago
dec	[MIPS] ret_from_irq adjustment	19 years ago
emma2rh	[MIPS] Complete fixes after removal of pt_regs argument to int handlers.	19 years ago
gt64120	[MIPS] Cleanup unnecessary <asm/ptrace.h> inclusions.	19 years ago
jazz	[MIPS] Fix timer setup for Jazz	19 years ago
jmr3927	[MIPS] Complete fixes after removal of pt_regs argument to int handlers.	19 years ago
kernel	[MIPS] Reserve syscall numbers for kexec_load.	19 years ago
lasat	[MIPS] Complete fixes after removal of pt_regs argument to int handlers.	19 years ago
lib	Remove obsolete #include <linux/config.h>	19 years ago
lib-32	Remove obsolete #include <linux/config.h>	19 years ago
lib-64	Remove obsolete #include <linux/config.h>	19 years ago
math-emu	[MIPS] Make sure cpu_has_fpu is used only in atomic context	19 years ago
mips-boards	[MIPS] Cleanup remaining references to mips_counter_frequency.	19 years ago
mm	[MIPS] Fix aliasing bug in copy_to_user_page / copy_from_user_page	19 years ago
momentum	[MIPS] Cleanup unnecessary <asm/ptrace.h> inclusions.	19 years ago
oprofile	[MIPS] A few more pt_regs fixups.	19 years ago
pci	[MIPS] Complete fixes after removal of pt_regs argument to int handlers.	19 years ago
philips/pnx8550	[MIPS] Complete fixes after removal of pt_regs argument to int handlers.	19 years ago
pmc-sierra	[MIPS] Cleanup unnecessary <asm/ptrace.h> inclusions.	19 years ago
qemu	[MIPS] Complete fixes after removal of pt_regs argument to int handlers.	19 years ago
sgi-ip22	[MIPS] Complete fixes after removal of pt_regs argument to int handlers.	19 years ago
sgi-ip27	[MIPS] IP27: Make declaration of setup_replication_mask a proper prototype.	19 years ago
sgi-ip32	[MIPS] A few more pt_regs fixups.	19 years ago
sibyte	[MIPS] A few more pt_regs fixups.	19 years ago
sni	[MIPS] Cleanup unnecessary <asm/ptrace.h> inclusions.	19 years ago
tx4927	[MIPS] Fix build errors related to wbflush.h on tx4927/tx4938.	19 years ago
tx4938	[MIPS] Fix build errors related to wbflush.h on tx4927/tx4938.	19 years ago
vr41xx	[MIPS] Complete fixes after removal of pt_regs argument to int handlers.	19 years ago
Kconfig	[MIPS] Alchemy: nuke usbdev; it's useless as is ...	19 years ago
Kconfig.debug	[MIPS] TRACE_IRQFLAGS_SUPPORT support.	19 years ago
Makefile	[MIPS] Workaround for bug in gcc -EB / -EL options.	19 years ago
defconfig	[MIPS] lockdep: update defconfigs	19 years ago