[SCM] GNU Mach branch, master, updated. v1.4-377-g322fa73

[Justus Winter]

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- Log -----------------------------------------------------------------
commit 322fa73afed84fe37fb7bfe0583109ff33eb26d7
Author: Justus Winter <address@hidden>
Date:   Mon Jan 6 00:31:16 2014 +0100

    kern: optimize the layout of struct kmem_cache
    
    * kern/slab.h (struct kmem_cache): Reorder the fields so that all hot
    fields are within the first cache line.

commit 069b4fb65ec13741c40356c16c312a50771fb589
Author: Justus Winter <address@hidden>
Date:   Sun Jan 5 19:51:11 2014 +0100

    kern: explain the significance of the chosen length
    
    * kern/slab.h (KMEM_CACHE_NAME_SIZE): Explain the significance of the
    chosen length.

commit e013a9371d567af6504ed38befb6e866faf7afe7
Author: Justus Winter <address@hidden>
Date:   Sun Jan 5 14:22:15 2014 +0100

    linux: fix bit tests
    
    The pattern is !x&y. An expression of this form is almost always
    meaningless, because it combines a boolean operator with a bit
    operator. In particular, if the rightmost bit of y is 0, the result
    will always be 0.
    
    Fixed using coccinelle.
    
    // !x&y combines boolean negation with bitwise and
    //
    // Confidence: High
    // Copyright: (C) Gilles Muller, Julia Lawall, EMN, DIKU.  GPLv2.
    // URL: http://www.emn.fr/x-info/coccinelle/rules/notand.html
    // Options:
    
    @@ expression E1,E2; @@
    (
      !E1 & !E2
    |
    - !E1 & E2
    + !(E1 & E2)
    )
    
    * linux/src/drivers/scsi/FlashPoint.c: Fix bit tests.

commit 5faed5128d3c07f055f96d910529c95814073a09
Author: Justus Winter <address@hidden>
Date:   Sun Jan 5 14:11:29 2014 +0100

    linux: fix bit tests
    
    The pattern is !x&y. An expression of this form is almost always
    meaningless, because it combines a boolean operator with a bit
    operator. In particular, if the rightmost bit of y is 0, the result
    will always be 0.
    
    Fixed using coccinelle.
    
    // !x&y combines boolean negation with bitwise and
    //
    // Confidence: High
    // Copyright: (C) Gilles Muller, Julia Lawall, EMN, DIKU.  GPLv2.
    // URL: http://www.emn.fr/x-info/coccinelle/rules/notand.html
    // Options:
    
    @@ expression E; constant C; @@
    (
      !E & !C
    |
    - !E & C
    + !(E & C)
    )
    
    * linux/src/drivers/net/tlan.c: Fix bit tests.
    * linux/src/drivers/scsi/AM53C974.c: Likewise.
    * linux/src/drivers/scsi/FlashPoint.c: Likewise.
    * linux/src/drivers/scsi/NCR5380.c: Likewise.
    * linux/src/drivers/scsi/t128.c: Likewise.

-----------------------------------------------------------------------

Summary of changes:
 kern/slab.h                         |   22 +++++++++++++++-------
 linux/src/drivers/net/tlan.c        |    4 ++--
 linux/src/drivers/scsi/AM53C974.c   |    2 +-
 linux/src/drivers/scsi/FlashPoint.c |   14 +++++++-------
 linux/src/drivers/scsi/NCR5380.c    |    4 ++--
 linux/src/drivers/scsi/t128.c       |    4 ++--
 6 files changed, 29 insertions(+), 21 deletions(-)


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