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Message-ID: <202106020917.iy6LHxmg-lkp@intel.com>
Date:   Wed, 2 Jun 2021 09:58:17 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ming Lin-SSI <mlin@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Hugh Dickins <hughd@...gle.com>,
        Simon Ser <contact@...rsion.fr>
Cc:     kbuild-all@...ts.01.org, LKML <linux-kernel@...r.kernel.org>,
        linux-mm@...ck.org, Ming Lin-SSI <mlin@...nel.org>
Subject: Re: [PATCH 1/2] mm: make "vm_flags" be an u64

Hi Ming,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linux/master]
[also build test WARNING on arm64/for-next/core powerpc/next asm-generic/master linus/master v5.13-rc4]
[cannot apply to hnaz-linux-mm/master tip/x86/core next-20210601]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Ming-Lin/mm-adds-MAP_NOSIGBUS-extension-for-shmem-read/20210602-072403
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git dd860052c99b1e088352bdd4fb7aef46f8d2ef47
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/0b6b8b44f566199698248899d0fef7466ba6b0f3
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Ming-Lin/mm-adds-MAP_NOSIGBUS-extension-for-shmem-read/20210602-072403
        git checkout 0b6b8b44f566199698248899d0fef7466ba6b0f3
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   In file included from drivers/infiniband/hw/hfi1/trace.h:57,
                    from drivers/infiniband/hw/hfi1/file_ops.c:61:
   drivers/infiniband/hw/hfi1/file_ops.c: In function 'hfi1_file_mmap':
>> drivers/infiniband/hw/hfi1/file_ops.c:572:5: warning: format '%lx' expects argument of type 'long unsigned int', but argument 11 has type 'vm_flags_t' {aka 'long long unsigned int'} [-Wformat=]
     572 |     "%u:%u type:%u io/vf:%d/%d, addr:0x%llx, len:%lu(%lu), flags:0x%lx\n",
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     573 |       ctxt, subctxt, type, mapio, vmf, memaddr, memlen,
     574 |       vma->vm_end - vma->vm_start, vma->vm_flags);
         |                                    ~~~~~~~~~~~~~
         |                                       |
         |                                       vm_flags_t {aka long long unsigned int}
   drivers/infiniband/hw/hfi1/trace_dbg.h:133:33: note: in definition of macro 'hfi1_cdbg'
     133 |  __hfi1_trace_##which(__func__, fmt, ##__VA_ARGS__)
         |                                 ^~~
   drivers/infiniband/hw/hfi1/file_ops.c:572:70: note: format string is defined here
     572 |     "%u:%u type:%u io/vf:%d/%d, addr:0x%llx, len:%lu(%lu), flags:0x%lx\n",
         |                                                                    ~~^
         |                                                                      |
         |                                                                      long unsigned int
         |                                                                    %llx
--
   In file included from include/linux/device.h:15,
                    from include/linux/pci.h:37,
                    from drivers/infiniband/hw/qib/qib_file_ops.c:35:
   drivers/infiniband/hw/qib/qib_file_ops.c: In function 'mmap_rcvegrbufs':
>> drivers/infiniband/hw/qib/qib_file_ops.c:849:4: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'vm_flags_t' {aka 'long long unsigned int'} [-Wformat=]
     849 |    "Can't map eager buffers as writable (flags=%lx)\n",
         |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
      19 | #define dev_fmt(fmt) fmt
         |                      ^~~
   drivers/infiniband/hw/qib/qib.h:1472:2: note: in expansion of macro 'dev_info'
    1472 |  dev_info(&(pcidev)->dev, fmt, ##__VA_ARGS__)
         |  ^~~~~~~~
   drivers/infiniband/hw/qib/qib_file_ops.c:848:3: note: in expansion of macro 'qib_devinfo'
     848 |   qib_devinfo(dd->pcidev,
         |   ^~~~~~~~~~~
   drivers/infiniband/hw/qib/qib_file_ops.c:849:50: note: format string is defined here
     849 |    "Can't map eager buffers as writable (flags=%lx)\n",
         |                                                ~~^
         |                                                  |
         |                                                  long unsigned int
         |                                                %llx
   In file included from include/linux/device.h:15,
                    from include/linux/pci.h:37,
                    from drivers/infiniband/hw/qib/qib_file_ops.c:35:
   drivers/infiniband/hw/qib/qib_file_ops.c: In function 'mmap_kvaddr':
   drivers/infiniband/hw/qib/qib_file_ops.c:938:6: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'vm_flags_t' {aka 'long long unsigned int'} [-Wformat=]
     938 |      "Can't map eager buffers as writable (flags=%lx)\n",
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
      19 | #define dev_fmt(fmt) fmt
         |                      ^~~
   drivers/infiniband/hw/qib/qib.h:1472:2: note: in expansion of macro 'dev_info'
    1472 |  dev_info(&(pcidev)->dev, fmt, ##__VA_ARGS__)
         |  ^~~~~~~~
   drivers/infiniband/hw/qib/qib_file_ops.c:937:4: note: in expansion of macro 'qib_devinfo'
     937 |    qib_devinfo(dd->pcidev,
         |    ^~~~~~~~~~~
   drivers/infiniband/hw/qib/qib_file_ops.c:938:52: note: format string is defined here
     938 |      "Can't map eager buffers as writable (flags=%lx)\n",
         |                                                  ~~^
         |                                                    |
         |                                                    long unsigned int
         |                                                  %llx
--
   In file included from drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_priv.h:48,
                    from drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c:38:
   drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c: In function 'kfd_mmio_mmap':
>> drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:35:21: warning: format '%lX' expects argument of type 'long unsigned int', but argument 6 has type 'vm_flags_t' {aka 'long long unsigned int'} [-Wformat=]
      35 | #define pr_fmt(fmt) "amdgpu: " fmt
         |                     ^~~~~~~~~~
   include/linux/dynamic_debug.h:129:15: note: in expansion of macro 'pr_fmt'
     129 |   func(&id, ##__VA_ARGS__);  \
         |               ^~~~~~~~~~~
   include/linux/dynamic_debug.h:147:2: note: in expansion of macro '__dynamic_func_call'
     147 |  __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/dynamic_debug.h:157:2: note: in expansion of macro '_dynamic_func_call'
     157 |  _dynamic_func_call(fmt, __dynamic_pr_debug,  \
         |  ^~~~~~~~~~~~~~~~~~
   include/linux/printk.h:424:2: note: in expansion of macro 'dynamic_pr_debug'
     424 |  dynamic_pr_debug(fmt, ##__VA_ARGS__)
         |  ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c:1957:2: note: in expansion of macro 'pr_debug'
    1957 |  pr_debug("pasid 0x%x mapping mmio page\n"
         |  ^~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c:1960:39: note: format string is defined here
    1960 |    "     vm_flags            == 0x%04lX\n"
         |                                   ~~~~^
         |                                       |
         |                                       long unsigned int
         |                                   %04llX


vim +572 drivers/infiniband/hw/hfi1/file_ops.c

7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  347  
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  348  static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  349  {
9e10af4787ac51 drivers/staging/rdma/hfi1/file_ops.c  Ira Weiny          2015-10-30  350  	struct hfi1_filedata *fd = fp->private_data;
9e10af4787ac51 drivers/staging/rdma/hfi1/file_ops.c  Ira Weiny          2015-10-30  351  	struct hfi1_ctxtdata *uctxt = fd->uctxt;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  352  	struct hfi1_devdata *dd;
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  353  	unsigned long flags;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  354  	u64 token = vma->vm_pgoff << PAGE_SHIFT,
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  355  		memaddr = 0;
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  356  	void *memvirt = NULL;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  357  	u8 subctxt, mapio = 0, vmf = 0, type;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  358  	ssize_t memlen = 0;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  359  	int ret = 0;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  360  	u16 ctxt;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  361  
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  362  	if (!is_valid_mmap(token) || !uctxt ||
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  363  	    !(vma->vm_flags & VM_SHARED)) {
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  364  		ret = -EINVAL;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  365  		goto done;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  366  	}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  367  	dd = uctxt->dd;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  368  	ctxt = HFI1_MMAP_TOKEN_GET(CTXT, token);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  369  	subctxt = HFI1_MMAP_TOKEN_GET(SUBCTXT, token);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  370  	type = HFI1_MMAP_TOKEN_GET(TYPE, token);
9e10af4787ac51 drivers/staging/rdma/hfi1/file_ops.c  Ira Weiny          2015-10-30  371  	if (ctxt != uctxt->ctxt || subctxt != fd->subctxt) {
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  372  		ret = -EINVAL;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  373  		goto done;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  374  	}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  375  
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  376  	flags = vma->vm_flags;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  377  
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  378  	switch (type) {
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  379  	case PIO_BUFS:
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  380  	case PIO_BUFS_SOP:
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  381  		memaddr = ((dd->physaddr + TXE_PIO_SEND) +
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  382  				/* chip pio base */
d32cf44a62716d drivers/staging/rdma/hfi1/file_ops.c  Amitoj Kaur Chawla 2015-10-16  383  			   (uctxt->sc->hw_context * BIT(16))) +
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  384  				/* 64K PIO space / ctxt */
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  385  			(type == PIO_BUFS_SOP ?
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  386  				(TXE_PIO_SIZE / 2) : 0); /* sop? */
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  387  		/*
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  388  		 * Map only the amount allocated to the context, not the
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  389  		 * entire available context's PIO space.
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  390  		 */
437b29d1159af1 drivers/staging/rdma/hfi1/file_ops.c  Amitoj Kaur Chawla 2016-03-04  391  		memlen = PAGE_ALIGN(uctxt->sc->credits * PIO_BLOCK_SIZE);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  392  		flags &= ~VM_MAYREAD;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  393  		flags |= VM_DONTCOPY | VM_DONTEXPAND;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  394  		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  395  		mapio = 1;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  396  		break;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  397  	case PIO_CRED:
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  398  		if (flags & VM_WRITE) {
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  399  			ret = -EPERM;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  400  			goto done;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  401  		}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  402  		/*
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  403  		 * The credit return location for this context could be on the
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  404  		 * second or third page allocated for credit returns (if number
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  405  		 * of enabled contexts > 64 and 128 respectively).
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  406  		 */
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  407  		memvirt = dd->cr_base[uctxt->numa_id].va;
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  408  		memaddr = virt_to_phys(memvirt) +
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  409  			(((u64)uctxt->sc->hw_free -
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  410  			  (u64)dd->cr_base[uctxt->numa_id].va) & PAGE_MASK);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  411  		memlen = PAGE_SIZE;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  412  		flags &= ~VM_MAYWRITE;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  413  		flags |= VM_DONTCOPY | VM_DONTEXPAND;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  414  		/*
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  415  		 * The driver has already allocated memory for credit
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  416  		 * returns and programmed it into the chip. Has that
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  417  		 * memory been flagged as non-cached?
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  418  		 */
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  419  		/* vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); */
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  420  		mapio = 1;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  421  		break;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  422  	case RCV_HDRQ:
b25784312840bc drivers/infiniband/hw/hfi1/file_ops.c Mike Marciniszyn   2018-06-20  423  		memlen = rcvhdrq_size(uctxt);
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  424  		memvirt = uctxt->rcvhdrq;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  425  		break;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  426  	case RCV_EGRBUF: {
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  427  		unsigned long addr;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  428  		int i;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  429  		/*
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  430  		 * The RcvEgr buffer need to be handled differently
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  431  		 * as multiple non-contiguous pages need to be mapped
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  432  		 * into the user process.
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  433  		 */
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  434  		memlen = uctxt->egrbufs.size;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  435  		if ((vma->vm_end - vma->vm_start) != memlen) {
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  436  			dd_dev_err(dd, "Eager buffer map size invalid (%lu != %lu)\n",
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  437  				   (vma->vm_end - vma->vm_start), memlen);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  438  			ret = -EINVAL;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  439  			goto done;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  440  		}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  441  		if (vma->vm_flags & VM_WRITE) {
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  442  			ret = -EPERM;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  443  			goto done;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  444  		}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  445  		vma->vm_flags &= ~VM_MAYWRITE;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  446  		addr = vma->vm_start;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  447  		for (i = 0 ; i < uctxt->egrbufs.numbufs; i++) {
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  448  			memlen = uctxt->egrbufs.buffers[i].len;
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  449  			memvirt = uctxt->egrbufs.buffers[i].addr;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  450  			ret = remap_pfn_range(
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  451  				vma, addr,
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  452  				/*
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  453  				 * virt_to_pfn() does the same, but
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  454  				 * it's not available on x86_64
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  455  				 * when CONFIG_MMU is enabled.
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  456  				 */
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  457  				PFN_DOWN(__pa(memvirt)),
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  458  				memlen,
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  459  				vma->vm_page_prot);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  460  			if (ret < 0)
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  461  				goto done;
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  462  			addr += memlen;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  463  		}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  464  		ret = 0;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  465  		goto done;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  466  	}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  467  	case UREGS:
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  468  		/*
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  469  		 * Map only the page that contains this context's user
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  470  		 * registers.
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  471  		 */
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  472  		memaddr = (unsigned long)
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  473  			(dd->physaddr + RXE_PER_CONTEXT_USER)
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  474  			+ (uctxt->ctxt * RXE_PER_CONTEXT_SIZE);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  475  		/*
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  476  		 * TidFlow table is on the same page as the rest of the
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  477  		 * user registers.
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  478  		 */
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  479  		memlen = PAGE_SIZE;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  480  		flags |= VM_DONTCOPY | VM_DONTEXPAND;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  481  		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  482  		mapio = 1;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  483  		break;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  484  	case EVENTS:
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  485  		/*
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  486  		 * Use the page where this context's flags are. User level
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  487  		 * knows where it's own bitmap is within the page.
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  488  		 */
21e5acc06403f6 drivers/infiniband/hw/hfi1/file_ops.c Michael J. Ruhl    2017-09-26  489  		memaddr = (unsigned long)
21e5acc06403f6 drivers/infiniband/hw/hfi1/file_ops.c Michael J. Ruhl    2017-09-26  490  			(dd->events + uctxt_offset(uctxt)) & PAGE_MASK;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  491  		memlen = PAGE_SIZE;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  492  		/*
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  493  		 * v3.7 removes VM_RESERVED but the effect is kept by
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  494  		 * using VM_IO.
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  495  		 */
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  496  		flags |= VM_IO | VM_DONTEXPAND;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  497  		vmf = 1;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  498  		break;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  499  	case STATUS:
7709b0dc265f28 drivers/infiniband/hw/hfi1/file_ops.c Michael J. Ruhl    2019-01-17  500  		if (flags & VM_WRITE) {
12220267645cb7 drivers/infiniband/hw/hfi1/file_ops.c Ira Weiny          2017-04-09  501  			ret = -EPERM;
12220267645cb7 drivers/infiniband/hw/hfi1/file_ops.c Ira Weiny          2017-04-09  502  			goto done;
12220267645cb7 drivers/infiniband/hw/hfi1/file_ops.c Ira Weiny          2017-04-09  503  		}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  504  		memaddr = kvirt_to_phys((void *)dd->status);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  505  		memlen = PAGE_SIZE;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  506  		flags |= VM_IO | VM_DONTEXPAND;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  507  		break;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  508  	case RTAIL:
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  509  		if (!HFI1_CAP_IS_USET(DMA_RTAIL)) {
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  510  			/*
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  511  			 * If the memory allocation failed, the context alloc
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  512  			 * also would have failed, so we would never get here
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  513  			 */
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  514  			ret = -EINVAL;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  515  			goto done;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  516  		}
2fb3b5ae1ca771 drivers/infiniband/hw/hfi1/file_ops.c Mike Marciniszyn   2019-12-19  517  		if ((flags & VM_WRITE) || !hfi1_rcvhdrtail_kvaddr(uctxt)) {
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  518  			ret = -EPERM;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  519  			goto done;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  520  		}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  521  		memlen = PAGE_SIZE;
2fb3b5ae1ca771 drivers/infiniband/hw/hfi1/file_ops.c Mike Marciniszyn   2019-12-19  522  		memvirt = (void *)hfi1_rcvhdrtail_kvaddr(uctxt);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  523  		flags &= ~VM_MAYWRITE;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  524  		break;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  525  	case SUBCTXT_UREGS:
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  526  		memaddr = (u64)uctxt->subctxt_uregbase;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  527  		memlen = PAGE_SIZE;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  528  		flags |= VM_IO | VM_DONTEXPAND;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  529  		vmf = 1;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  530  		break;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  531  	case SUBCTXT_RCV_HDRQ:
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  532  		memaddr = (u64)uctxt->subctxt_rcvhdr_base;
b25784312840bc drivers/infiniband/hw/hfi1/file_ops.c Mike Marciniszyn   2018-06-20  533  		memlen = rcvhdrq_size(uctxt) * uctxt->subctxt_cnt;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  534  		flags |= VM_IO | VM_DONTEXPAND;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  535  		vmf = 1;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  536  		break;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  537  	case SUBCTXT_EGRBUF:
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  538  		memaddr = (u64)uctxt->subctxt_rcvegrbuf;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  539  		memlen = uctxt->egrbufs.size * uctxt->subctxt_cnt;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  540  		flags |= VM_IO | VM_DONTEXPAND;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  541  		flags &= ~VM_MAYWRITE;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  542  		vmf = 1;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  543  		break;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  544  	case SDMA_COMP: {
9e10af4787ac51 drivers/staging/rdma/hfi1/file_ops.c  Ira Weiny          2015-10-30  545  		struct hfi1_user_sdma_comp_q *cq = fd->cq;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  546  
9e10af4787ac51 drivers/staging/rdma/hfi1/file_ops.c  Ira Weiny          2015-10-30  547  		if (!cq) {
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  548  			ret = -EFAULT;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  549  			goto done;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  550  		}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  551  		memaddr = (u64)cq->comps;
437b29d1159af1 drivers/staging/rdma/hfi1/file_ops.c  Amitoj Kaur Chawla 2016-03-04  552  		memlen = PAGE_ALIGN(sizeof(*cq->comps) * cq->nentries);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  553  		flags |= VM_IO | VM_DONTEXPAND;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  554  		vmf = 1;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  555  		break;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  556  	}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  557  	default:
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  558  		ret = -EINVAL;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  559  		break;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  560  	}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  561  
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  562  	if ((vma->vm_end - vma->vm_start) != memlen) {
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  563  		hfi1_cdbg(PROC, "%u:%u Memory size mismatch %lu:%lu",
9e10af4787ac51 drivers/staging/rdma/hfi1/file_ops.c  Ira Weiny          2015-10-30  564  			  uctxt->ctxt, fd->subctxt,
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  565  			  (vma->vm_end - vma->vm_start), memlen);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  566  		ret = -EINVAL;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  567  		goto done;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  568  	}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  569  
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  570  	vma->vm_flags = flags;
6c63e4238acad0 drivers/staging/rdma/hfi1/file_ops.c  Sebastian Sanchez  2015-11-06  571  	hfi1_cdbg(PROC,
6c63e4238acad0 drivers/staging/rdma/hfi1/file_ops.c  Sebastian Sanchez  2015-11-06 @572  		  "%u:%u type:%u io/vf:%d/%d, addr:0x%llx, len:%lu(%lu), flags:0x%lx\n",
6c63e4238acad0 drivers/staging/rdma/hfi1/file_ops.c  Sebastian Sanchez  2015-11-06  573  		    ctxt, subctxt, type, mapio, vmf, memaddr, memlen,
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  574  		    vma->vm_end - vma->vm_start, vma->vm_flags);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  575  	if (vmf) {
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  576  		vma->vm_pgoff = PFN_DOWN(memaddr);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  577  		vma->vm_ops = &vm_ops;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  578  		ret = 0;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  579  	} else if (mapio) {
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  580  		ret = io_remap_pfn_range(vma, vma->vm_start,
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  581  					 PFN_DOWN(memaddr),
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  582  					 memlen,
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  583  					 vma->vm_page_prot);
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  584  	} else if (memvirt) {
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  585  		ret = remap_pfn_range(vma, vma->vm_start,
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  586  				      PFN_DOWN(__pa(memvirt)),
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  587  				      memlen,
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  588  				      vma->vm_page_prot);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  589  	} else {
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  590  		ret = remap_pfn_range(vma, vma->vm_start,
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  591  				      PFN_DOWN(memaddr),
60368186fd8538 drivers/infiniband/hw/hfi1/file_ops.c Tymoteusz Kielan   2016-09-06  592  				      memlen,
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  593  				      vma->vm_page_prot);
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  594  	}
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  595  done:
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  596  	return ret;
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  597  }
7724105686e718 drivers/staging/rdma/hfi1/file_ops.c  Mike Marciniszyn   2015-07-30  598  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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