Re: [PATCH] gpu: nova-core: bitfield: use &mut self setters instead of builder pattern
From: kernel test robot
Date: Thu Jan 01 2026 - 03:43:09 EST
Hi John,
kernel test robot noticed the following build errors:
[auto build test ERROR on 7acc70476f14661149774ab88d3fe23d83ba4249]
url: https://github.com/intel-lab-lkp/linux/commits/John-Hubbard/gpu-nova-core-bitfield-use-mut-self-setters-instead-of-builder-pattern/20260101-054823
base: 7acc70476f14661149774ab88d3fe23d83ba4249
patch link: https://lore.kernel.org/r/20251231214727.448776-1-jhubbard%40nvidia.com
patch subject: [PATCH] gpu: nova-core: bitfield: use &mut self setters instead of builder pattern
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260101/202601010949.aupX8V1f-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260101/202601010949.aupX8V1f-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601010949.aupX8V1f-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
PATH=/opt/cross/clang-20/bin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
INFO PATH=/opt/cross/rustc-1.88.0-bindgen-0.72.1/cargo/bin:/opt/cross/clang-20/bin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
/usr/bin/timeout -k 100 12h /usr/bin/make KCFLAGS= -fno-crash-diagnostics -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef W=1 --keep-going LLVM=1 -j32 -C source O=/kbuild/obj/consumer/x86_64-rhel-9.4-rust ARCH=x86_64 SHELL=/bin/bash rustfmtcheck
make: Entering directory '/kbuild/src/consumer'
make[1]: Entering directory '/kbuild/obj/consumer/x86_64-rhel-9.4-rust'
>> Diff in drivers/gpu/nova-core/falcon.rs:413:
Delta::from_micros(150),
);
- regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| { v.set_reset(true); });
+ regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| {
+ v.set_reset(true);
+ });
// TIMEOUT: falcon engine should not take more than 10us to reset.
fsleep(Delta::from_micros(10));
Diff in drivers/gpu/nova-core/falcon.rs:420:
- regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| { v.set_reset(false); });
+ regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| {
+ v.set_reset(false);
+ });
self.reset_wait_mem_scrubbing(bar)?;
>> Diff in drivers/gpu/nova-core/falcon.rs:413:
Delta::from_micros(150),
);
- regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| { v.set_reset(true); });
+ regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| {
+ v.set_reset(true);
+ });
// TIMEOUT: falcon engine should not take more than 10us to reset.
fsleep(Delta::from_micros(10));
Diff in drivers/gpu/nova-core/falcon.rs:420:
- regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| { v.set_reset(false); });
+ regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| {
+ v.set_reset(false);
+ });
self.reset_wait_mem_scrubbing(bar)?;
make[2]: *** [Makefile:1871: rustfmt] Error 123
make[2]: Target 'rustfmtcheck' not remade because of errors.
make[1]: Leaving directory '/kbuild/obj/consumer/x86_64-rhel-9.4-rust'
make[1]: *** [Makefile:248: __sub-make] Error 2
make[1]: Target 'rustfmtcheck' not remade because of errors.
make: *** [Makefile:248: __sub-make] Error 2
make: Target 'rustfmtcheck' not remade because of errors.
make: Leaving directory '/kbuild/src/consumer'
--
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