Hi, [auto build test ERROR on next-20160622] [also build test ERROR on v4.7-rc4] [cannot apply to vhost/linux-next v4.7-rc4 v4.7-rc3 v4.7-rc2] [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/Jason-Wang/basic-device-IOTLB-support/20160622-175522 config: i386-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): gcc-6: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead drivers/vhost/vhost.c: In function 'vhost_copy_to_user': >> drivers/vhost/vhost.c:742:28: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] ret = translate_desc(vq, (u64)to, size, vq->iotlb_iov, ^ drivers/vhost/vhost.c: In function 'vhost_copy_from_user': drivers/vhost/vhost.c:771:28: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] ret = translate_desc(vq, (u64)from, size, vq->iotlb_iov, ^ In file included from include/linux/printk.h:289:0, from include/linux/kernel.h:13, from include/linux/list.h:8, from include/linux/wait.h:6, from include/linux/eventfd.h:12, from drivers/vhost/vhost.c:14: drivers/vhost/vhost.c:777:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] (unsigned long long) from, ^ include/linux/dynamic_debug.h:127:10: note: in definition of macro 'dynamic_pr_debug' ##__VA_ARGS__); \ ^~~~~~~~~~~ >> drivers/vhost/vhost.h:220:3: note: in expansion of macro 'pr_debug' pr_debug(pr_fmt(fmt), ##__VA_ARGS__); \ ^~~~~~~~ >> drivers/vhost/vhost.c:775:4: note: in expansion of macro 'vq_err' vq_err(vq, "IOTLB translation failure: uaddr " ^~~~~~ drivers/vhost/vhost.c: In function '__vhost_get_user': drivers/vhost/vhost.c:802:27: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] ret = translate_desc(vq, (u64)addr, size, vq->iotlb_iov, ^ In file included from include/linux/printk.h:289:0, from include/linux/kernel.h:13, from include/linux/list.h:8, from include/linux/wait.h:6, from include/linux/eventfd.h:12, from drivers/vhost/vhost.c:14: drivers/vhost/vhost.c:808:4: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] (unsigned long long) addr, ^ include/linux/dynamic_debug.h:127:10: note: in definition of macro 'dynamic_pr_debug' ##__VA_ARGS__); \ ^~~~~~~~~~~ >> drivers/vhost/vhost.h:220:3: note: in expansion of macro 'pr_debug' pr_debug(pr_fmt(fmt), ##__VA_ARGS__); \ ^~~~~~~~ drivers/vhost/vhost.c:806:3: note: in expansion of macro 'vq_err' vq_err(vq, "IOTLB translation failure: uaddr " ^~~~~~ drivers/vhost/vhost.c:816:4: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] (unsigned long long) addr, ^ include/linux/dynamic_debug.h:127:10: note: in definition of macro 'dynamic_pr_debug' ##__VA_ARGS__); \ ^~~~~~~~~~~ >> drivers/vhost/vhost.h:220:3: note: in expansion of macro 'pr_debug' pr_debug(pr_fmt(fmt), ##__VA_ARGS__); \ ^~~~~~~~ drivers/vhost/vhost.c:814:3: note: in expansion of macro 'vq_err' vq_err(vq, "Non atomic userspace memory access: uaddr " ^~~~~~ drivers/vhost/vhost.c: In function 'vq_iotlb_prefetch': drivers/vhost/vhost.c:1144:46: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] return iotlb_access_ok(vq, VHOST_ACCESS_RO, (u64)vq->desc, ^ drivers/vhost/vhost.c:1146:46: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] iotlb_access_ok(vq, VHOST_ACCESS_RO, (u64)vq->avail, ^ drivers/vhost/vhost.c:1149:46: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] iotlb_access_ok(vq, VHOST_ACCESS_WO, (u64)vq->used, ^ In file included from include/linux/printk.h:289:0, from include/linux/kernel.h:13, from include/linux/list.h:8, from include/linux/wait.h:6, from include/linux/eventfd.h:12, from drivers/vhost/vhost.c:14: drivers/vhost/vhost.c: In function 'vhost_vq_init_access': drivers/vhost/vhost.c:1737:4: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] (unsigned long long) &vq->used->idx); ^ include/linux/dynamic_debug.h:127:10: note: in definition of macro 'dynamic_pr_debug' ##__VA_ARGS__); \ ^~~~~~~~~~~ >> drivers/vhost/vhost.h:220:3: note: in expansion of macro 'pr_debug' pr_debug(pr_fmt(fmt), ##__VA_ARGS__); \ ^~~~~~~~ drivers/vhost/vhost.c:1736:3: note: in expansion of macro 'vq_err' vq_err(vq, "Can't access used idx at 0x%llx\n", ^~~~~~ gcc-6: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead -- gcc-6: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead drivers/vhost/scsi.c: In function 'vhost_scsi_do_evt_work': >> drivers/vhost/scsi.c:460:9: error: too few arguments to function 'vhost_get_vq_desc' head = vhost_get_vq_desc(vq, vq->iov, ^~~~~~~~~~~~~~~~~ In file included from drivers/vhost/scsi.c:51:0: drivers/vhost/vhost.h:181:5: note: declared here int vhost_get_vq_desc(struct vhost_virtqueue *, ^~~~~~~~~~~~~~~~~ drivers/vhost/scsi.c: In function 'vhost_scsi_handle_vq': drivers/vhost/scsi.c:867:10: error: too few arguments to function 'vhost_get_vq_desc' head = vhost_get_vq_desc(vq, vq->iov, ^~~~~~~~~~~~~~~~~ In file included from drivers/vhost/scsi.c:51:0: drivers/vhost/vhost.h:181:5: note: declared here int vhost_get_vq_desc(struct vhost_virtqueue *, ^~~~~~~~~~~~~~~~~ vim +/vhost_get_vq_desc +460 drivers/vhost/scsi.c a6c9af87 drivers/vhost/tcm_vhost.c Asias He 2013-04-25 454 vs->vs_events_missed = true; a6c9af87 drivers/vhost/tcm_vhost.c Asias He 2013-04-25 455 return; a6c9af87 drivers/vhost/tcm_vhost.c Asias He 2013-04-25 456 } a6c9af87 drivers/vhost/tcm_vhost.c Asias He 2013-04-25 457 a6c9af87 drivers/vhost/tcm_vhost.c Asias He 2013-04-25 458 again: a6c9af87 drivers/vhost/tcm_vhost.c Asias He 2013-04-25 459 vhost_disable_notify(&vs->dev, vq); 47283bef drivers/vhost/scsi.c Michael S. Tsirkin 2014-06-05 @460 head = vhost_get_vq_desc(vq, vq->iov, a6c9af87 drivers/vhost/tcm_vhost.c Asias He 2013-04-25 461 ARRAY_SIZE(vq->iov), &out, &in, a6c9af87 drivers/vhost/tcm_vhost.c Asias He 2013-04-25 462 NULL, NULL); a6c9af87 drivers/vhost/tcm_vhost.c Asias He 2013-04-25 463 if (head < 0) { :::::: The code at line 460 was first introduced by commit :::::: 47283bef7ed356629467d1fac61687756e48f254 vhost: move memory pointer to VQs :::::: TO: Michael S. Tsirkin <mst@xxxxxxxxxx> :::::: CC: Michael S. Tsirkin <mst@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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