[kbuild-all] drivers/net/ethernet/myricom/myri10ge/myri10ge.c:1550:20: sparse: sparse: context imbalance in 'myri10ge_intr' - different lock contexts for basic block

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 449dc8c97089a6e09fb2dac4d92b1b7ac0eb7c1e commit: 80591e61a0f7e88deaada69844e4a31280c4a38f kbuild: tell sparse about the $ARCH date: 9 months ago config: alpha-randconfig-s031-20200809 (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-118-ge1578773-dirty git checkout 80591e61a0f7e88deaada69844e4a31280c4a38f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) -- drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:573:25: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:576:38: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:575:31: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:575:62: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __le32 [usertype] offs @@ got unsigned int @@ drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:575:62: sparse: expected restricted __le32 [usertype] offs drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:575:62: sparse: got unsigned int drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:577:35: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:579:21: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:580:66: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:603:54: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:603:64: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:603:20: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:617:22: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:629:63: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:629:26: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:628:20: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:635:18: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:635:55: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:634:16: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:638:21: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:638:50: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:652:22: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:664:63: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:664:26: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:663:20: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:670:18: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:670:55: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:669:16: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:672:21: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:672:50: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:699:55: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:699:65: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:699:20: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:705:25: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:712:38: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:711:24: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:711:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] offs @@ got unsigned int @@ drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:711:22: sparse: expected restricted __le32 [usertype] offs drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:711:22: sparse: got unsigned int drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:713:25: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:714:32: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:719:33: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:720:62: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:768:19: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:768:19: sparse: sparse: incorrect type in initializer (different base types) @@ expected int idx @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:768:19: sparse: expected int idx drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:768:19: sparse: got restricted __le32 [usertype] drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:779:26: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:778:16: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:778:14: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] offs @@ got unsigned int @@ drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:778:14: sparse: expected restricted __le32 [usertype] offs drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:778:14: sparse: got unsigned int drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:781:48: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:790:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] offs @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:790:22: sparse: expected unsigned int [usertype] offs drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:790:22: sparse: got restricted __le32 [usertype] drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:803:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] offs @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:803:22: sparse: expected unsigned int [usertype] offs drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:803:22: sparse: got restricted __le32 [usertype] drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:835:38: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:836:33: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:849:33: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:849:24: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:849:48: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:849:45: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __le32 @@ got unsigned int @@ drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:849:45: sparse: expected restricted __le32 drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:849:45: sparse: got unsigned int drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:862:28: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:864:25: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:864:45: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:865:58: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:864:70: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __le32 @@ got unsigned int @@ drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:864:70: sparse: expected restricted __le32 drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:864:70: sparse: got unsigned int drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:913:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] val @@ got restricted __le32 @@ drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:913:21: sparse: expected unsigned int [usertype] val drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:913:21: sparse: got restricted __le32 drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1001:72: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned long long [usertype] @@ got restricted __le64 [assigned] [usertype] data @@ drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1001:72: sparse: expected unsigned long long [usertype] drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1001:72: sparse: got restricted __le64 [assigned] [usertype] data drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1016:60: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned long long [usertype] @@ got restricted __le64 [assigned] [usertype] data @@ drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1016:60: sparse: expected unsigned long long [usertype] drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1016:60: sparse: got restricted __le64 [assigned] [usertype] data drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1027:60: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned long long [usertype] @@ got restricted __le64 [assigned] [usertype] data @@ drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1027:60: sparse: expected unsigned long long [usertype] drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1027:60: sparse: got restricted __le64 [assigned] [usertype] data drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1101:23: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1101:23: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1101:23: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1125:24: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1125:24: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1125:24: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1125:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [addressable] [usertype] flash_fw_ver @@ got unsigned int @@ drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1125:22: sparse: expected restricted __le32 [addressable] [usertype] flash_fw_ver drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1125:22: sparse: got unsigned int drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1129:46: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1141:21: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c: note: in included file (through include/linux/seqlock.h, include/linux/time.h, include/linux/ktime.h, ...): -- drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c: note: in included file (through include/linux/seqlock.h, include/linux/time.h, include/linux/ktime.h, ...): vim +/myri10ge_intr +1550 drivers/net/ethernet/myricom/myri10ge/myri10ge.c 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1549 7d12e780e003f9 drivers/net/myri10ge/myri10ge.c David Howells 2006-10-05 @1550 static irqreturn_t myri10ge_intr(int irq, void *arg) 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1551 { b53bef84c27e68 drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-05-09 1552 struct myri10ge_slice_state *ss = arg; b53bef84c27e68 drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-05-09 1553 struct myri10ge_priv *mgp = ss->mgp; b53bef84c27e68 drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-05-09 1554 struct mcp_irq_data *stats = ss->fw_stats; b53bef84c27e68 drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-05-09 1555 struct myri10ge_tx_buf *tx = &ss->tx; 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1556 u32 send_done_count; 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1557 int i; 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1558 236bb5e649c2a7 drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-09-28 1559 /* an interrupt on a non-zero receive-only slice is implicitly 236bb5e649c2a7 drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-09-28 1560 * valid since MSI-X irqs are not shared */ 236bb5e649c2a7 drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-09-28 1561 if ((mgp->dev->real_num_tx_queues == 1) && (ss != mgp->ss)) { 288379f0502840 drivers/net/myri10ge/myri10ge.c Ben Hutchings 2009-01-19 1562 napi_schedule(&ss->napi); 807540baae406c drivers/net/myri10ge/myri10ge.c Eric Dumazet 2010-09-23 1563 return IRQ_HANDLED; 0dcffac1a329be drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-05-09 1564 } 0dcffac1a329be drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-05-09 1565 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1566 /* make sure it is our IRQ, and that the DMA has finished */ 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1567 if (unlikely(!stats->valid)) 807540baae406c drivers/net/myri10ge/myri10ge.c Eric Dumazet 2010-09-23 1568 return IRQ_NONE; 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1569 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1570 /* low bit indicates receives are present, so schedule 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1571 * napi poll handler */ 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1572 if (stats->valid & 1) 288379f0502840 drivers/net/myri10ge/myri10ge.c Ben Hutchings 2009-01-19 1573 napi_schedule(&ss->napi); 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1574 0dcffac1a329be drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-05-09 1575 if (!mgp->msi_enabled && !mgp->msix_enabled) { 40f6cff5c47efa drivers/net/myri10ge/myri10ge.c Al Viro 2006-11-20 1576 put_be32(0, mgp->irq_deassert); 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1577 if (!myri10ge_deassert_wait) 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1578 stats->valid = 0; 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1579 mb(); 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1580 } else 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1581 stats->valid = 0; 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1582 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1583 /* Wait for IRQ line to go low, if using INTx */ 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1584 i = 0; 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1585 while (1) { 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1586 i++; 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1587 /* check for transmit completes and receives */ 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1588 send_done_count = ntohl(stats->send_done_count); 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1589 if (send_done_count != tx->pkt_done) b53bef84c27e68 drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-05-09 1590 myri10ge_tx_done(ss, (int)send_done_count); 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1591 if (unlikely(i > myri10ge_max_irq_loops)) { b3b6ae2c2ac39e drivers/net/myri10ge/myri10ge.c Jon Mason 2011-06-27 1592 netdev_warn(mgp->dev, "irq stuck?\n"); 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1593 stats->valid = 0; 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1594 schedule_work(&mgp->watchdog_work); 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1595 } 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1596 if (likely(stats->valid == 0)) 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1597 break; 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1598 cpu_relax(); 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1599 barrier(); 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1600 } 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1601 236bb5e649c2a7 drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-09-28 1602 /* Only slice 0 updates stats */ 236bb5e649c2a7 drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-09-28 1603 if (ss == mgp->ss) 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1604 myri10ge_check_statblock(mgp); 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1605 b53bef84c27e68 drivers/net/myri10ge/myri10ge.c Brice Goglin 2008-05-09 1606 put_be32(htonl(3), ss->irq_claim + 1); 807540baae406c drivers/net/myri10ge/myri10ge.c Eric Dumazet 2010-09-23 1607 return IRQ_HANDLED; 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1608 } 0da34b6dfe5581 drivers/net/myri10ge/myri10ge.c Brice Goglin 2006-05-23 1609 :::::: The code at line 1550 was first introduced by commit :::::: 7d12e780e003f93433d49ce78cfedf4b4c52adc5 IRQ: Maintain regs pointer globally rather than passing to IRQ handlers :::::: TO: David Howells <dhowells(a)redhat.com&gt; :::::: CC: David Howells <dhowells(a)warthog.cambridge.redhat.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org