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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-10 14:04:16 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-10 14:04:16 -0700 |
commit | aa645be5617b94b86741688a70711030e7f29e98 (patch) | |
tree | 3070dacd9d93e619e7f7daeded0b68f9bb2ed9dc /crypto/xor.c | |
parent | bd3c3c2012862d66db97ded288a10afe5ee79190 (diff) | |
parent | 8322c8407e49034b534abd03d7daa9e267139b4e (diff) | |
download | linux-crypto-aa645be5617b94b86741688a70711030e7f29e98.tar.gz linux-crypto-aa645be5617b94b86741688a70711030e7f29e98.zip |
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"Here is the crypto update for 4.9:
API:
- The crypto engine code now supports hashes.
Algorithms:
- Allow keys >= 2048 bits in FIPS mode for RSA.
Drivers:
- Memory overwrite fix for vmx ghash.
- Add support for building ARM sha1-neon in Thumb2 mode.
- Reenable ARM ghash-ce code by adding import/export.
- Reenable img-hash by adding import/export.
- Add support for multiple cores in omap-aes.
- Add little-endian support for sha1-powerpc.
- Add Cavium HWRNG driver for ThunderX SoC"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (137 commits)
crypto: caam - treat SGT address pointer as u64
crypto: ccp - Make syslog errors human-readable
crypto: ccp - clean up data structure
crypto: vmx - Ensure ghash-generic is enabled
crypto: testmgr - add guard to dst buffer for ahash_export
crypto: caam - Unmap region obtained by of_iomap
crypto: sha1-powerpc - little-endian support
crypto: gcm - Fix IV buffer size in crypto_gcm_setkey
crypto: vmx - Fix memory corruption caused by p8_ghash
crypto: ghash-generic - move common definitions to a new header file
crypto: caam - fix sg dump
hwrng: omap - Only fail if pm_runtime_get_sync returns < 0
crypto: omap-sham - shrink the internal buffer size
crypto: omap-sham - add support for export/import
crypto: omap-sham - convert driver logic to use sgs for data xmit
crypto: omap-sham - change the DMA threshold value to a define
crypto: omap-sham - add support functions for sg based data handling
crypto: omap-sham - rename sgl to sgl_tmp for deprecation
crypto: omap-sham - align algorithms on word offset
crypto: omap-sham - add context export/import stubs
...
Diffstat (limited to '')
-rw-r--r-- | crypto/xor.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/crypto/xor.c b/crypto/xor.c index 35d6b3ad..263af9fb 100644 --- a/crypto/xor.c +++ b/crypto/xor.c @@ -24,6 +24,10 @@ #include <linux/preempt.h> #include <asm/xor.h> +#ifndef XOR_SELECT_TEMPLATE +#define XOR_SELECT_TEMPLATE(x) (x) +#endif + /* The xor routines to use. */ static struct xor_block_template *active_template; @@ -109,6 +113,15 @@ calibrate_xor_blocks(void) void *b1, *b2; struct xor_block_template *f, *fastest; + fastest = XOR_SELECT_TEMPLATE(NULL); + + if (fastest) { + printk(KERN_INFO "xor: automatically using best " + "checksumming function %-10s\n", + fastest->name); + goto out; + } + /* * Note: Since the memory is not actually used for _anything_ but to * test the XOR speed, we don't really want kmemcheck to warn about @@ -126,36 +139,22 @@ calibrate_xor_blocks(void) * all the possible functions, just test the best one */ - fastest = NULL; - -#ifdef XOR_SELECT_TEMPLATE - fastest = XOR_SELECT_TEMPLATE(fastest); -#endif - #define xor_speed(templ) do_xor_speed((templ), b1, b2) - if (fastest) { - printk(KERN_INFO "xor: automatically using best " - "checksumming function:\n"); - xor_speed(fastest); - goto out; - } else { - printk(KERN_INFO "xor: measuring software checksum speed\n"); - XOR_TRY_TEMPLATES; - fastest = template_list; - for (f = fastest; f; f = f->next) - if (f->speed > fastest->speed) - fastest = f; - } + printk(KERN_INFO "xor: measuring software checksum speed\n"); + XOR_TRY_TEMPLATES; + fastest = template_list; + for (f = fastest; f; f = f->next) + if (f->speed > fastest->speed) + fastest = f; printk(KERN_INFO "xor: using function: %s (%d.%03d MB/sec)\n", fastest->name, fastest->speed / 1000, fastest->speed % 1000); #undef xor_speed - out: free_pages((unsigned long)b1, 2); - +out: active_template = fastest; return 0; } |