linux-kernel - Re: mmotm 2020-05-22-20-35 uploaded (phy/intel/phy-intel-combo.c)

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Message-ID: <9960b5aa-4a8e-15a4-6e0b-63561f760d3a@infradead.org>
Date:   Sat, 23 May 2020 08:08:33 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Andrew Morton <akpm@...ux-foundation.org>, broonie@...nel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-next@...r.kernel.org, mhocko@...e.cz,
        mm-commits@...r.kernel.org, sfr@...b.auug.org.au,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>
Subject: Re: mmotm 2020-05-22-20-35 uploaded (phy/intel/phy-intel-combo.c)

On 5/22/20 8:36 PM, Andrew Morton wrote:
> The mm-of-the-moment snapshot 2020-05-22-20-35 has been uploaded to
> 
>    http://www.ozlabs.org/~akpm/mmotm/
> 
> mmotm-readme.txt says
> 
> README for mm-of-the-moment:
> 
> http://www.ozlabs.org/~akpm/mmotm/
> 
> This is a snapshot of my -mm patch queue.  Uploaded at random hopefully
> more than once a week.
> 
> You will need quilt to apply these patches to the latest Linus release (5.x
> or 5.x-rcY).  The series file is in broken-out.tar.gz and is duplicated in
> http://ozlabs.org/~akpm/mmotm/series
> 
> The file broken-out.tar.gz contains two datestamp files: .DATE and
> .DATE-yyyy-mm-dd-hh-mm-ss.  Both contain the string yyyy-mm-dd-hh-mm-ss,
> followed by the base kernel version against which this patch series is to
> be applied.
> 
> This tree is partially included in linux-next.  To see which patches are
> included in linux-next, consult the `series' file.  Only the patches
> within the #NEXT_PATCHES_START/#NEXT_PATCHES_END markers are included in
> linux-next.
> 
> 

on i386:

  CC      drivers/phy/intel/phy-intel-combo.o
In file included from ../include/linux/build_bug.h:5:0,
                 from ../include/linux/bitfield.h:10,
                 from ../drivers/phy/intel/phy-intel-combo.c:8:
../drivers/phy/intel/phy-intel-combo.c: In function ‘combo_phy_w32_off_mask’:
../include/linux/compiler.h:447:38: error: call to ‘__compiletime_assert_39’ declared with attribute error: FIELD_PREP: mask is not constant
  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
                                      ^
../include/linux/compiler.h:428:4: note: in definition of macro ‘__compiletime_assert’
    prefix ## suffix();    \
    ^~~~~~
../include/linux/compiler.h:447:2: note: in expansion of macro ‘_compiletime_assert’
  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
  ^~~~~~~~~~~~~~~~~~~
../include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’
 #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                     ^~~~~~~~~~~~~~~~~~
../include/linux/bitfield.h:46:3: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
   BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask),  \
   ^~~~~~~~~~~~~~~~
../include/linux/bitfield.h:94:3: note: in expansion of macro ‘__BF_FIELD_CHECK’
   __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
   ^~~~~~~~~~~~~~~~
../drivers/phy/intel/phy-intel-combo.c:137:13: note: in expansion of macro ‘FIELD_PREP’
  reg_val |= FIELD_PREP(mask, val);
             ^~~~~~~~~~
../include/linux/compiler.h:447:38: error: call to ‘__compiletime_assert_43’ declared with attribute error: BUILD_BUG_ON failed: (((mask) + (1ULL << (__builtin_ffsll(mask) - 1))) & (((mask) + (1ULL << (__builtin_ffsll(mask) - 1))) - 1)) != 0
  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
                                      ^
../include/linux/compiler.h:428:4: note: in definition of macro ‘__compiletime_assert’
    prefix ## suffix();    \
    ^~~~~~
../include/linux/compiler.h:447:2: note: in expansion of macro ‘_compiletime_assert’
  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
  ^~~~~~~~~~~~~~~~~~~
../include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’
 #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                     ^~~~~~~~~~~~~~~~~~
../include/linux/build_bug.h:50:2: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
  ^~~~~~~~~~~~~~~~
../include/linux/build_bug.h:21:2: note: in expansion of macro ‘BUILD_BUG_ON’
  BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
  ^~~~~~~~~~~~
../include/linux/bitfield.h:54:3: note: in expansion of macro ‘__BUILD_BUG_ON_NOT_POWER_OF_2’
   __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) +   \
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/linux/bitfield.h:94:3: note: in expansion of macro ‘__BF_FIELD_CHECK’
   __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
   ^~~~~~~~~~~~~~~~
../drivers/phy/intel/phy-intel-combo.c:137:13: note: in expansion of macro ‘FIELD_PREP’
  reg_val |= FIELD_PREP(mask, val);
             ^~~~~~~~~~


-- 
~Randy
Reported-by: Randy Dunlap <rdunlap@...radead.org>