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Jeff Dike 16dd07bc64 uml: more page fault path trimming ... More trimming of the page fault path. Permissions are passed around in a single int rather than one bit per int. The permission values are copied from libc so that they can be passed to mmap and mprotect without any further conversion. The register sets used by do_syscall_stub and copy_context_skas0 are initialized once, at boot time, rather than once per call. wait_stub_done checks whether it is getting the signals it expects by comparing the wait status to a mask containing bits for the signals of interest rather than comparing individually to the signal numbers. It also has one check for a wait failure instead of two. The caller is expected to do the initial continue of the stub. This gets rid of an argument and some logic. The fname argument is gone, as that can be had from a stack trace. user_signal() is collapsed into userspace() as it is basically one or two lines of code afterwards. The physical memory remapping stuff is gone, as it is unused. flush_tlb_page is inlined. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
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drivers	uml: convert libc layer to call read and write	18 years ago
include	…
skas	uml: more page fault path trimming	18 years ago
sys-i386	uml: remove user_util.h	18 years ago
sys-x86_64	…
Makefile	…
aio.c	uml: aIO deadlock avoidance	18 years ago
elf_aux.c	…
execvp.c	…
file.c	uml: rename os_{read_write}_file_k back to os_{read_write}_file	18 years ago
helper.c	uml: convert libc layer to call read and write	18 years ago
irq.c	uml: remove user_util.h	18 years ago
main.c	uml: add missing __init declarations	18 years ago
mem.c	uml: convert libc layer to call read and write	18 years ago
process.c	uml: convert libc layer to call read and write	18 years ago
sigio.c	uml: convert libc layer to call read and write	18 years ago
signal.c	uml: remove user_util.h	18 years ago
start_up.c	uml: add missing __init declarations	18 years ago
time.c	uml: remove user_util.h	18 years ago
tls.c	…
trap.c	uml: remove user_util.h	18 years ago
tt.c	uml: remove page_size()	18 years ago
tty.c	…
tty_log.c	uml: convert libc layer to call read and write	18 years ago
uaccess.c	…
umid.c	…
user_syms.c	…
util.c	uml: dump core on panic	18 years ago