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Linus Torvalds ee568b25ee Avoid 64-bit "switch()" statements on 32-bit architectures ... Commit ee6f779b9e ("filp->f_pos not correctly updated in proc_task_readdir") changed the proc code to use filp->f_pos directly, rather than through a temporary variable. In the process, that caused the operations to be done on the full 64 bits, even though the offset is never that big. That's all fine and dandy per se, but for some unfathomable reason gcc generates absolutely horrid code when using 64-bit values in switch() statements. To the point of actually calling out to gcc helper functions like __cmpdi2 rather than just doing the trivial comparisons directly the way gcc does for normal compares. At which point we get link failures, because we really don't want to support that kind of crazy code. Fix this by just casting the f_pos value to "unsigned long", which is plenty big enough for /proc, and avoids the gcc code generation issue. Reported-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Zhang Le <r0bertz@gentoo.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		16 years ago
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Kconfig	proc: move PROC_PAGE_MONITOR to fs/proc/Kconfig	16 years ago
Makefile	proc: remove fs/proc/proc_misc.c	16 years ago
array.c	CRED: Use RCU to access another task's creds and to release a task's own creds	16 years ago
base.c	Avoid 64-bit "switch()" statements on 32-bit architectures	16 years ago
cmdline.c	proc: switch /proc/cmdline to seq_file	16 years ago
cpuinfo.c	proc: move /proc/cpuinfo code to fs/proc/cpuinfo.c	16 years ago
devices.c	proc: move /proc/devices code to fs/proc/devices.c	16 years ago
generic.c	proc: stop using BKL	16 years ago
inode-alloc.txt	…
inode.c	proc: proc_get_inode should de_put when inode already initialized	16 years ago
internal.h	NOMMU: Make VMAs per MM as for MMU-mode linux	16 years ago
interrupts.c	proc: move /proc/interrupts boilerplate code to fs/proc/interrupts.c	16 years ago
kcore.c	proc: move all /proc/kcore stuff to fs/proc/kcore.c	16 years ago
kmsg.c	proc: move /proc/kmsg creation to fs/proc/kmsg.c	16 years ago
loadavg.c	proc: switch /proc/loadavg to seq_file	16 years ago
meminfo.c	NOMMU: Make VMAs per MM as for MMU-mode linux	16 years ago
mmu.c	…
nommu.c	NOMMU: Make VMAs per MM as for MMU-mode linux	16 years ago
page.c	proc: fix kflags to uflags copying in /proc/kpageflags	16 years ago
proc_devtree.c	powerpc: Remove `have_of' global variable	16 years ago
proc_net.c	proc: stop using BKL	16 years ago
proc_sysctl.c	zero i_uid/i_gid on inode allocation	16 years ago
proc_tty.c	…
root.c	proc: stop using BKL	16 years ago
stat.c	proc: remove ifdef CONFIG_SPARSE_IRQ from stat.c	16 years ago
task_mmu.c	mm: report the MMU pagesize in /proc/pid/smaps	16 years ago
task_nommu.c	NOMMU: Improve procfs output using per-MM VMAs	16 years ago
uptime.c	proc: revert /proc/uptime to ->read_proc hook	16 years ago
version.c	proc: switch /proc/version to seq_file	16 years ago
vmcore.c	vmcore: remove saved_max_pfn check	16 years ago