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SubjectRe: [PATCH v6] kernel.h: Retain constant expression output for max()/min()
Hi Kees,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.16-rc7 next-20180327]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Kees-Cook/kernel-h-Retain-constant-expression-output-for-max-min/20180327-110916
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__


vim +124 drivers/infiniband/hw/vmw_pvrdma/pvrdma_doorbell.c

29c8d9eb Adit Ranadive 2016-10-02 114
29c8d9eb Adit Ranadive 2016-10-02 115 void pvrdma_uar_free(struct pvrdma_dev *dev, struct pvrdma_uar_map *uar)
29c8d9eb Adit Ranadive 2016-10-02 116 {
29c8d9eb Adit Ranadive 2016-10-02 117 struct pvrdma_id_table *tbl = &dev->uar_table.tbl;
29c8d9eb Adit Ranadive 2016-10-02 118 unsigned long flags;
29c8d9eb Adit Ranadive 2016-10-02 119 u32 obj;
29c8d9eb Adit Ranadive 2016-10-02 120
29c8d9eb Adit Ranadive 2016-10-02 121 obj = uar->index & (tbl->max - 1);
29c8d9eb Adit Ranadive 2016-10-02 122 spin_lock_irqsave(&tbl->lock, flags);
29c8d9eb Adit Ranadive 2016-10-02 123 clear_bit(obj, tbl->table);
29c8d9eb Adit Ranadive 2016-10-02 @124 tbl->last = min(tbl->last, obj);

:::::: The code at line 124 was first introduced by commit
:::::: 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 IB: Add vmw_pvrdma driver

:::::: TO: Adit Ranadive <aditr@vmware.com>
:::::: CC: Doug Ledford <dledford@redhat.com>

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation

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