lkml.org 
[lkml]   [2022]   [Jun]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 4.19 003/234] drivers/char/random.c: remove unused stuct poolinfo::poolbits
    Date
    From: Rasmus Villemoes <linux@rasmusvillemoes.dk>

    commit 3bd0b5bf7dc3ea02070fcbcd682ecf628269e8ef upstream.

    This field is never used, might as well remove it.

    Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
    Signed-off-by: Theodore Ts'o <tytso@mit.edu>
    Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/char/random.c | 6 +++---
    1 file changed, 3 insertions(+), 3 deletions(-)

    --- a/drivers/char/random.c
    +++ b/drivers/char/random.c
    @@ -295,7 +295,7 @@
    * To allow fractional bits to be tracked, the entropy_count field is
    * denominated in units of 1/8th bits.
    *
    - * 2*(ENTROPY_SHIFT + log2(poolbits)) must <= 31, or the multiply in
    + * 2*(ENTROPY_SHIFT + poolbitshift) must <= 31, or the multiply in
    * credit_entropy_bits() needs to be 64 bits wide.
    */
    #define ENTROPY_SHIFT 3
    @@ -360,8 +360,8 @@ static int random_write_wakeup_bits = 28
    * irreducible, which we have made here.
    */
    static const struct poolinfo {
    - int poolbitshift, poolwords, poolbytes, poolbits, poolfracbits;
    -#define S(x) ilog2(x)+5, (x), (x)*4, (x)*32, (x) << (ENTROPY_SHIFT+5)
    + int poolbitshift, poolwords, poolbytes, poolfracbits;
    +#define S(x) ilog2(x)+5, (x), (x)*4, (x) << (ENTROPY_SHIFT+5)
    int tap1, tap2, tap3, tap4, tap5;
    } poolinfo_table[] = {
    /* was: x^128 + x^103 + x^76 + x^51 +x^25 + x + 1 */

    \
     
     \ /
      Last update: 2022-06-23 19:57    [W:4.096 / U:0.548 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site