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Since the irq handling rework in 2.5 lots of code in the individual
<asm/hardirq.h> files is the same. This patch moves that common code
to <linux/hardirq.h>. The following differences existed:
- alpha, m68k, m68knommu and v850 were missing the ~PREEMPT_ACTIVE
masking in the CONFIG_PREEMPT case of in_atomic(). These
architectures don't support CONFIG_PREEMPT else this would have been
an easily-spottbale bug
- S390 didn't provide synchronize_irq as it doesn't fit into their
I/O model. They now get a spurious prototype/macro
- ppc added a new preemptible() macro that is provided for all
architectures now.
Most drivers were using <linux/interrupt.h> as they should, but a few
drivers and lots of architecture code has been updated to use
<linux/hardirq.h> instead of <asm/hardirq.h>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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From: Christophe Saout <christophe@saout.de>
I've cleaned up the latest patches and adjusted the header files.
This patch moves the scatterwalk functions from cipher.c to
scatterwalk.c and adds a header file.
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try_then_request_module() does what crypto/autoload.c is doing, so
replace it. Fix try_then_request_module(), too (thanks James).
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1) Every arch implemented local_bh_foo identically, move to
linux/interrupt.h
2) Kill all asm/softirq.h references
3) Kill asm/softirq.h itself
4) Move local_bh_disable() out of line to kernel/softirq.c
5) Add BUG check on irqs_disabled() to local_bh_disable()
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- Merge scatterwalk patch from Adam J. Richter <adam@yggdrasil.com>
API change: cipher methods now take in/out scatterlists and nbytes
params.
- Merge gss_krb5_crypto update from Adam J. Richter <adam@yggdrasil.com>
- Add KM_SOFTIRQn (instead of KM_CRYPTO_IN etc).
- Add asm/kmap_types.h to crypto/internal.h
- Update cipher.c credits.
- Update cipher.c documentation.
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- make crypto_cipher_flags() return u32 (this means it will return
the actual flags reliably, instead of being just a boolean op).
- simplify error path in crypto_init_flags().
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- Changed unsigned to unsigned int in algos.
- Consistent use of u32 for flags throughout api.
- Use of unsigned int rather than int for counting things which must
be positive, also replaced size_ts to keep code simpler and lessen
bloat on some archs.
- got rid of some unneeded returns.
- const correctness.
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- Removed local_bh_disable() from kmap wrapper, not needed now with
two atomic kmaps.
- Nuked atomic flag, use in_softirq() instead.
- Converted crypto_kmap() and crypto_yield() to check in_softirq().
- Check CRYPTO_MAX_CIPHER_BLOCK_SIZE during alg init.
- Try to initialize as much at compile time as possible
(feedback from Christoph Hellwig).
- Clean up list handling a bit (feedback from Christoph Hellwig).
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- API change: implemented simplest version of algorithm lookup
by name (feedback from Rusty Russell and Herbert Valerio Riedel).
- Now need to add the following line to to /etc/modules.conf for
dynamic module loading:
alias des3_ede des
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- try_inc_mod_count() already does what crypto_alg_get() was trying to do.
(feedback from Andrew Morton).
- Moved the BUG_ON() in crypto_unregister_alg() further up, no need to
bother iterating over the list.
- Always use kmap_atomic (feedback from Andrew Morton). Implemented two
atomic kmaps, KM_USER for user context and KM_SOFTIRQ for softirq
context.
- Fixup KM_CRYPTO_ placement so Dave does not go crazy.
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- Add missing includes of asm/byteorder.h
- Fix sha1.c compiler crash with egcs-2.92.x
- Use correct printf format for size_t types.
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