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Date: Tue, 16 Jul 2019 15:57:24 +0900
From: Masahiro Yamada <yamada.masahiro@...ionext.com>
To: Josh Poimboeuf <jpoimboe@...hat.com>,
Seth Forshee <seth.forshee@...onical.com>
Cc: kbuild-all@...org,
Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
kbuild test robot <lkp@...el.com>
Subject: Re: [kbuild:kbuild 5/19] drivers/atm/eni.o: warning: objtool:
eni_init_one()+0xe42: indirect call found in RETPOLINE build
(+ Josh Poimboeuf)
On Tue, Jul 16, 2019 at 8:44 AM kbuild test robot <lkp@...el.com> wrote:
>
> tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git kbuild
> head: 0ff0c3753e06c0420c80dac1b0187a442b372acb
> commit: 2eaf4e87ba258cc3f27e486cdf32d5ba76303c6f [5/19] kbuild: add -fcf-protection=none to retpoline flags
> config: x86_64-randconfig-s2-07160214 (attached as .config)
> compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
> reproduce:
> git checkout 2eaf4e87ba258cc3f27e486cdf32d5ba76303c6f
> # save the attached .config to linux build tree
> make ARCH=x86_64
0-day bot reports objtool warnings with the following applied:
https://patchwork.kernel.org/patch/11037379/
I have no idea about objtool.
Is it better to drop this patch for now?
Thanks.
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@...el.com>
>
> All warnings (new ones prefixed by >>):
>
> drivers/atm/eni.o: warning: objtool: eni_do_release()+0x1a: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: do_tx()+0x1be: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: eni_send()+0x15b: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: eni_send()+0x1b4: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: eni_send()+0x24d: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: eni_int()+0xd1: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: poll_rx.isra.16()+0x99: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: poll_rx.isra.16()+0xf7: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: poll_rx.isra.16()+0x20c: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: poll_rx.isra.16()+0x266: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: eni_ioctl()+0x54: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: eni_tasklet()+0x3f7: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: eni_tasklet()+0x420: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: eni_tasklet()+0x62f: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: eni_tasklet()+0x673: indirect call found in RETPOLINE build
> >> drivers/atm/eni.o: warning: objtool: eni_init_one()+0xe42: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: do_rx_dma.constprop.28()+0xaf: indirect call found in RETPOLINE build
> drivers/atm/eni.o: warning: objtool: do_rx_dma.constprop.28()+0x49c: indirect call found in RETPOLINE build
> --
> net//batman-adv/sysfs.o: warning: objtool: batadv_show_gw_sel_class()+0x6c: indirect call found in RETPOLINE build
> >> net//batman-adv/sysfs.o: warning: objtool: __batadv_store_uint_attr.isra.9.constprop.10()+0xb7: indirect call found in RETPOLINE build
> net//batman-adv/sysfs.o: warning: objtool: batadv_store_gw_sel_class()+0x8b: indirect call found in RETPOLINE build
> --
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwpower()+0xd7: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwpower()+0x257: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwpower()+0x2f4: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwretry()+0xfb: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwretry()+0x219: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwretry()+0x2b1: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwfrag()+0xce: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwfrag()+0x1f6: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwfrag()+0x2c8: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwrts()+0xc8: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwrts()+0x1f0: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwrts()+0x2c2: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwpmksa()+0x177: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwpmksa()+0x288: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwpmksa()+0x3ce: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwpmksa()+0x4a5: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwpmksa()+0x53d: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwpmksa()+0x5d5: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwpmksa()+0x748: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwpmksa()+0x7b5: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwpmksa()+0x824: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwrate()+0x1e4: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwrate()+0x2eb: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwrate()+0x413: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wireless_stats()+0x12d: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wireless_stats()+0x2bb: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wireless_stats()+0x36f: indirect call found in RETPOLINE build
> >> net//wireless/wext-compat.o: warning: objtool: cfg80211_set_encryption()+0x254: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_set_encryption()+0x4a4: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_set_encryption()+0x5cb: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_set_encryption()+0x67e: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_set_encryption()+0x82f: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_set_encryption()+0x9f8: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_set_encryption()+0xac3: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_set_encryption()+0xc2c: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_set_encryption()+0xe93: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_set_encryption()+0xfea: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_set_encryption()+0x106e: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_set_encryption()+0x119a: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwencode()+0x237: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwencode()+0x398: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwencode()+0x43c: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_giwtxpower()+0xcd: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_giwtxpower()+0x1f2: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_giwtxpower()+0x309: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwtxpower()+0x113: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwtxpower()+0x268: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwtxpower()+0x34a: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_giwrate()+0x145: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_giwrate()+0x262: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_giwrate()+0x341: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_giwfreq()+0xd2: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_giwfreq()+0x242: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_giwfreq()+0x343: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwap()+0x134: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwap()+0x258: indirect call found in RETPOLINE build
> net//wireless/wext-compat.o: warning: objtool: cfg80211_wext_siwap()+0x2f1: indirect call found in RETPOLINE build
> --
> ^
> include/linux/mm.h:2098:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init pagecache_init(void);
> ^
> include/linux/mm.h:2101:3: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> unsigned long zone_start_pfn, unsigned long *zholes_size);
> ^
> include/linux/mm.h:2240:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init mmap_init(void);
> ^
> In file included from include/linux/scatterlist.h:8:0,
> from include/linux/dma-mapping.h:11,
> from include/linux/skbuff.h:30,
> from include/linux/if_ether.h:19,
> from include/linux/etherdevice.h:20,
> from drivers/net/usb/ax88179_178a.c:9:
> include/linux/mm.h:2892:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> void __init setup_nr_node_ids(void);
> ^
> In file included from arch/x86/include/asm/swiotlb.h:5:0,
> from arch/x86/include/asm/dma-mapping.h:13,
> from include/linux/dma-mapping.h:266,
> from include/linux/skbuff.h:30,
> from include/linux/if_ether.h:19,
> from include/linux/etherdevice.h:20,
> from drivers/net/usb/ax88179_178a.c:9:
> include/linux/swiotlb.h:37:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init swiotlb_update_mem_attributes(void);
> ^
> include/linux/swiotlb.h:74:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> void __init swiotlb_exit(void);
> ^
> In file included from arch/x86/include/asm/dma-mapping.h:13:0,
> from include/linux/dma-mapping.h:266,
> from include/linux/skbuff.h:30,
> from include/linux/if_ether.h:19,
> from include/linux/etherdevice.h:20,
> from drivers/net/usb/ax88179_178a.c:9:
> arch/x86/include/asm/swiotlb.h:9:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern int __init pci_swiotlb_detect_override(void);
> ^
> arch/x86/include/asm/swiotlb.h:10:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern int __init pci_swiotlb_detect_4gb(void);
> ^
> arch/x86/include/asm/swiotlb.h:11:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init pci_swiotlb_init(void);
> ^
> arch/x86/include/asm/swiotlb.h:12:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init pci_swiotlb_late_init(void);
> ^
> In file included from arch/x86/include/asm/dma-mapping.h:14:0,
> from include/linux/dma-mapping.h:266,
> from include/linux/skbuff.h:30,
> from include/linux/if_ether.h:19,
> from include/linux/etherdevice.h:20,
> from drivers/net/usb/ax88179_178a.c:9:
> include/linux/dma-contiguous.h:84:12: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> bool fixed);
> ^
> In file included from include/linux/skbuff.h:30:0,
> from include/linux/if_ether.h:19,
> from include/linux/etherdevice.h:20,
> from drivers/net/usb/ax88179_178a.c:9:
> include/linux/dma-mapping.h:627:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> int __init dma_atomic_pool_init(gfp_t gfp, pgprot_t prot);
> ^
> In file included from include/linux/seq_file.h:12:0,
> from include/linux/seq_file_net.h:5,
> from include/net/net_namespace.h:178,
> from include/linux/netdevice.h:38,
> from include/linux/etherdevice.h:21,
> from drivers/net/usb/ax88179_178a.c:9:
> include/linux/cred.h:168:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init cred_init(void);
> ^
> In file included from include/net/net_namespace.h:192:0,
> from include/linux/netdevice.h:38,
> from include/linux/etherdevice.h:21,
> from drivers/net/usb/ax88179_178a.c:9:
> include/linux/nsproxy.h:74:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> int __init nsproxy_cache_init(void);
> ^
> In file included from include/linux/interrupt.h:19:0,
> from include/linux/kernel_stat.h:9,
> from include/linux/cgroup.h:26,
> from include/net/netprio_cgroup.h:11,
> from include/linux/netdevice.h:42,
> from include/linux/etherdevice.h:21,
> from drivers/net/usb/ax88179_178a.c:9:
> arch/x86/include/asm/irq.h:43:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init init_IRQ(void);
> ^
> In file included from include/linux/etherdevice.h:21:0,
> from drivers/net/usb/ax88179_178a.c:9:
> include/linux/netdevice.h:300:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> int __init netdev_boot_setup(char *str);
> ^
> include/linux/netdevice.h:4396:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> int __init dev_proc_init(void);
> ^
> >> drivers/net/usb/ax88179_178a.c:1780:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> module_usb_driver(ax88179_178a_driver);
> ^
> --
> ^
> include/linux/mm.h:2240:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init mmap_init(void);
> ^
> In file included from include/linux/scatterlist.h:8:0,
> from include/linux/dma-mapping.h:11,
> from include/linux/skbuff.h:30,
> from include/linux/if_ether.h:19,
> from include/uapi/linux/ethtool.h:19,
> from include/linux/ethtool.h:18,
> from include/linux/netdevice.h:37,
> from drivers/net/usb/cdc_ether.c:12:
> include/linux/mm.h:2892:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> void __init setup_nr_node_ids(void);
> ^
> In file included from arch/x86/include/asm/swiotlb.h:5:0,
> from arch/x86/include/asm/dma-mapping.h:13,
> from include/linux/dma-mapping.h:266,
> from include/linux/skbuff.h:30,
> from include/linux/if_ether.h:19,
> from include/uapi/linux/ethtool.h:19,
> from include/linux/ethtool.h:18,
> from include/linux/netdevice.h:37,
> from drivers/net/usb/cdc_ether.c:12:
> include/linux/swiotlb.h:37:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init swiotlb_update_mem_attributes(void);
> ^
> include/linux/swiotlb.h:74:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> void __init swiotlb_exit(void);
> ^
> In file included from arch/x86/include/asm/dma-mapping.h:13:0,
> from include/linux/dma-mapping.h:266,
> from include/linux/skbuff.h:30,
> from include/linux/if_ether.h:19,
> from include/uapi/linux/ethtool.h:19,
> from include/linux/ethtool.h:18,
> from include/linux/netdevice.h:37,
> from drivers/net/usb/cdc_ether.c:12:
> arch/x86/include/asm/swiotlb.h:9:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern int __init pci_swiotlb_detect_override(void);
> ^
> arch/x86/include/asm/swiotlb.h:10:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern int __init pci_swiotlb_detect_4gb(void);
> ^
> arch/x86/include/asm/swiotlb.h:11:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init pci_swiotlb_init(void);
> ^
> arch/x86/include/asm/swiotlb.h:12:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init pci_swiotlb_late_init(void);
> ^
> In file included from arch/x86/include/asm/dma-mapping.h:14:0,
> from include/linux/dma-mapping.h:266,
> from include/linux/skbuff.h:30,
> from include/linux/if_ether.h:19,
> from include/uapi/linux/ethtool.h:19,
> from include/linux/ethtool.h:18,
> from include/linux/netdevice.h:37,
> from drivers/net/usb/cdc_ether.c:12:
> include/linux/dma-contiguous.h:84:12: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> bool fixed);
> ^
> In file included from include/linux/skbuff.h:30:0,
> from include/linux/if_ether.h:19,
> from include/uapi/linux/ethtool.h:19,
> from include/linux/ethtool.h:18,
> from include/linux/netdevice.h:37,
> from drivers/net/usb/cdc_ether.c:12:
> include/linux/dma-mapping.h:627:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> int __init dma_atomic_pool_init(gfp_t gfp, pgprot_t prot);
> ^
> In file included from include/linux/seq_file.h:12:0,
> from include/linux/seq_file_net.h:5,
> from include/net/net_namespace.h:178,
> from include/linux/netdevice.h:38,
> from drivers/net/usb/cdc_ether.c:12:
> include/linux/cred.h:168:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init cred_init(void);
> ^
> In file included from include/net/net_namespace.h:192:0,
> from include/linux/netdevice.h:38,
> from drivers/net/usb/cdc_ether.c:12:
> include/linux/nsproxy.h:74:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> int __init nsproxy_cache_init(void);
> ^
> In file included from include/linux/interrupt.h:19:0,
> from include/linux/kernel_stat.h:9,
> from include/linux/cgroup.h:26,
> from include/net/netprio_cgroup.h:11,
> from include/linux/netdevice.h:42,
> from drivers/net/usb/cdc_ether.c:12:
> arch/x86/include/asm/irq.h:43:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init init_IRQ(void);
> ^
> In file included from drivers/net/usb/cdc_ether.c:12:0:
> include/linux/netdevice.h:300:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> int __init netdev_boot_setup(char *str);
> ^
> include/linux/netdevice.h:4396:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> int __init dev_proc_init(void);
> ^
> >> drivers/net/usb/cdc_ether.c:967:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> module_usb_driver(cdc_driver);
> ^
> --
> ^
> include/linux/mm.h:2240:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init mmap_init(void);
> ^
> In file included from include/linux/scatterlist.h:8:0,
> from include/linux/dma-mapping.h:11,
> from include/linux/skbuff.h:30,
> from include/linux/if_ether.h:19,
> from include/uapi/linux/ethtool.h:19,
> from include/linux/ethtool.h:18,
> from include/linux/netdevice.h:37,
> from drivers/net/usb/smsc75xx.c:10:
> include/linux/mm.h:2892:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> void __init setup_nr_node_ids(void);
> ^
> In file included from arch/x86/include/asm/swiotlb.h:5:0,
> from arch/x86/include/asm/dma-mapping.h:13,
> from include/linux/dma-mapping.h:266,
> from include/linux/skbuff.h:30,
> from include/linux/if_ether.h:19,
> from include/uapi/linux/ethtool.h:19,
> from include/linux/ethtool.h:18,
> from include/linux/netdevice.h:37,
> from drivers/net/usb/smsc75xx.c:10:
> include/linux/swiotlb.h:37:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init swiotlb_update_mem_attributes(void);
> ^
> include/linux/swiotlb.h:74:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> void __init swiotlb_exit(void);
> ^
> In file included from arch/x86/include/asm/dma-mapping.h:13:0,
> from include/linux/dma-mapping.h:266,
> from include/linux/skbuff.h:30,
> from include/linux/if_ether.h:19,
> from include/uapi/linux/ethtool.h:19,
> from include/linux/ethtool.h:18,
> from include/linux/netdevice.h:37,
> from drivers/net/usb/smsc75xx.c:10:
> arch/x86/include/asm/swiotlb.h:9:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern int __init pci_swiotlb_detect_override(void);
> ^
> arch/x86/include/asm/swiotlb.h:10:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern int __init pci_swiotlb_detect_4gb(void);
> ^
> arch/x86/include/asm/swiotlb.h:11:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init pci_swiotlb_init(void);
> ^
> arch/x86/include/asm/swiotlb.h:12:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init pci_swiotlb_late_init(void);
> ^
> In file included from arch/x86/include/asm/dma-mapping.h:14:0,
> from include/linux/dma-mapping.h:266,
> from include/linux/skbuff.h:30,
> from include/linux/if_ether.h:19,
> from include/uapi/linux/ethtool.h:19,
> from include/linux/ethtool.h:18,
> from include/linux/netdevice.h:37,
> from drivers/net/usb/smsc75xx.c:10:
> include/linux/dma-contiguous.h:84:12: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> bool fixed);
> ^
> In file included from include/linux/skbuff.h:30:0,
> from include/linux/if_ether.h:19,
> from include/uapi/linux/ethtool.h:19,
> from include/linux/ethtool.h:18,
> from include/linux/netdevice.h:37,
> from drivers/net/usb/smsc75xx.c:10:
> include/linux/dma-mapping.h:627:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> int __init dma_atomic_pool_init(gfp_t gfp, pgprot_t prot);
> ^
> In file included from include/linux/seq_file.h:12:0,
> from include/linux/seq_file_net.h:5,
> from include/net/net_namespace.h:178,
> from include/linux/netdevice.h:38,
> from drivers/net/usb/smsc75xx.c:10:
> include/linux/cred.h:168:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init cred_init(void);
> ^
> In file included from include/net/net_namespace.h:192:0,
> from include/linux/netdevice.h:38,
> from drivers/net/usb/smsc75xx.c:10:
> include/linux/nsproxy.h:74:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> int __init nsproxy_cache_init(void);
> ^
> In file included from include/linux/interrupt.h:19:0,
> from include/linux/kernel_stat.h:9,
> from include/linux/cgroup.h:26,
> from include/net/netprio_cgroup.h:11,
> from include/linux/netdevice.h:42,
> from drivers/net/usb/smsc75xx.c:10:
> arch/x86/include/asm/irq.h:43:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> extern void __init init_IRQ(void);
> ^
> In file included from drivers/net/usb/smsc75xx.c:10:0:
> include/linux/netdevice.h:300:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> int __init netdev_boot_setup(char *str);
> ^
> include/linux/netdevice.h:4396:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> int __init dev_proc_init(void);
> ^
> >> drivers/net/usb/smsc75xx.c:2338:1: warning: '__indirect_branch__' attribute directive ignored [-Wattributes]
> module_usb_driver(smsc75xx_driver);
> ^
> ..
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
--
Best Regards
Masahiro Yamada
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