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Message-ID: <2025101704-rumble-chatroom-60b5@gregkh>
Date: Fri, 17 Oct 2025 17:03:02 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Eliav Farber <farbere@...zon.com>
Cc: stable@...r.kernel.org, linux@...linux.org.uk, jdike@...toit.com,
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Subject: Re: [PATCH v2 00/27 5.10.y] Backport minmax.h updates from v6.17-rc7
On Fri, Oct 17, 2025 at 09:04:52AM +0000, Eliav Farber wrote:
> This series backports 27 patches to update minmax.h in the 5.10.y
> branch, aligning it with v6.17-rc7.
>
> The ultimate goal is to synchronize all long-term branches so that they
> include the full set of minmax.h changes.
>
> - 6.12.y has already been backported; the changes are included in
> v6.12.49.
> - 6.6.y has already been backported; the changes are included in
> v6.6.109.
> - 6.1.y has already been backported; the changes are currently in the
> 6.1-stable tree.
> - 5.15.y has already been backported; the changes are currently in the
> 5.15-stable tree.
With this series applied, on an arm64 server, building 'allmodconfig', I
get the following build error.
Oddly I don't see it on my x86 server, perhaps due to different compiler
versions?
Any ideas?
thanks,
greg k-h
------------------------
In function ‘rt2800_txpower_to_dev’,
inlined from ‘rt2800_config_channel’ at ../drivers/net/wireless/ralink/rt2x00/rt2800lib.c:4022:25:
./../include/linux/compiler_types.h:309:45: error: call to ‘__compiletime_assert_1168’ declared with attribute error: clamp() low limit -7 greater than high limit 15
309 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
./../include/linux/compiler_types.h:290:25: note: in definition of macro ‘__compiletime_assert’
290 | prefix ## suffix(); \
| ^~~~~~
./../include/linux/compiler_types.h:309:9: note: in expansion of macro ‘_compiletime_assert’
309 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
../include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
../include/linux/minmax.h:188:9: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
188 | BUILD_BUG_ON_MSG(statically_true(ulo > uhi), \
| ^~~~~~~~~~~~~~~~
../include/linux/minmax.h:195:9: note: in expansion of macro ‘__clamp_once’
195 | __clamp_once(type, val, lo, hi, __UNIQUE_ID(v_), __UNIQUE_ID(l_), __UNIQUE_ID(h_))
| ^~~~~~~~~~~~
../include/linux/minmax.h:218:36: note: in expansion of macro ‘__careful_clamp’
218 | #define clamp_t(type, val, lo, hi) __careful_clamp(type, val, lo, hi)
| ^~~~~~~~~~~~~~~
../drivers/net/wireless/ralink/rt2x00/rt2800lib.c:3980:24: note: in expansion of macro ‘clamp_t’
3980 | return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
| ^~~~~~~
In function ‘rt2800_txpower_to_dev’,
inlined from ‘rt2800_config_channel’ at ../drivers/net/wireless/ralink/rt2x00/rt2800lib.c:4024:25:
./../include/linux/compiler_types.h:309:45: error: call to ‘__compiletime_assert_1168’ declared with attribute error: clamp() low limit -7 greater than high limit 15
309 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
./../include/linux/compiler_types.h:290:25: note: in definition of macro ‘__compiletime_assert’
290 | prefix ## suffix(); \
| ^~~~~~
./../include/linux/compiler_types.h:309:9: note: in expansion of macro ‘_compiletime_assert’
309 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
../include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
../include/linux/minmax.h:188:9: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
188 | BUILD_BUG_ON_MSG(statically_true(ulo > uhi), \
| ^~~~~~~~~~~~~~~~
../include/linux/minmax.h:195:9: note: in expansion of macro ‘__clamp_once’
195 | __clamp_once(type, val, lo, hi, __UNIQUE_ID(v_), __UNIQUE_ID(l_), __UNIQUE_ID(h_))
| ^~~~~~~~~~~~
../include/linux/minmax.h:218:36: note: in expansion of macro ‘__careful_clamp’
218 | #define clamp_t(type, val, lo, hi) __careful_clamp(type, val, lo, hi)
| ^~~~~~~~~~~~~~~
../drivers/net/wireless/ralink/rt2x00/rt2800lib.c:3980:24: note: in expansion of macro ‘clamp_t’
3980 | return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
| ^~~~~~~
In function ‘rt2800_txpower_to_dev’,
inlined from ‘rt2800_config_channel’ at ../drivers/net/wireless/ralink/rt2x00/rt2800lib.c:4028:4:
./../include/linux/compiler_types.h:309:45: error: call to ‘__compiletime_assert_1168’ declared with attribute error: clamp() low limit -7 greater than high limit 15
309 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
./../include/linux/compiler_types.h:290:25: note: in definition of macro ‘__compiletime_assert’
290 | prefix ## suffix(); \
| ^~~~~~
./../include/linux/compiler_types.h:309:9: note: in expansion of macro ‘_compiletime_assert’
309 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
../include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
../include/linux/minmax.h:188:9: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
188 | BUILD_BUG_ON_MSG(statically_true(ulo > uhi), \
| ^~~~~~~~~~~~~~~~
../include/linux/minmax.h:195:9: note: in expansion of macro ‘__clamp_once’
195 | __clamp_once(type, val, lo, hi, __UNIQUE_ID(v_), __UNIQUE_ID(l_), __UNIQUE_ID(h_))
| ^~~~~~~~~~~~
../include/linux/minmax.h:218:36: note: in expansion of macro ‘__careful_clamp’
218 | #define clamp_t(type, val, lo, hi) __careful_clamp(type, val, lo, hi)
| ^~~~~~~~~~~~~~~
../drivers/net/wireless/ralink/rt2x00/rt2800lib.c:3980:24: note: in expansion of macro ‘clamp_t’
3980 | return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
| ^~~~~~~
make[6]: *** [../scripts/Makefile.build:286: drivers/net/wireless/ralink/rt2x00/rt2800lib.o] Error 1
make[5]: *** [../scripts/Makefile.build:503: drivers/net/wireless/ralink/rt2x00] Error 2
make[4]: *** [../scripts/Makefile.build:503: drivers/net/wireless/ralink] Error 2
make[4]: *** Waiting for unfinished jobs....
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