kernel/linux/kni meson build failed with gcc 11.2.0 on Ub22.04/64
https://bugs.dpdk.org/show_bug.cgi?id=1017
Bug ID: 1017
Summary: [dpdk-22.07*] kernel/linux/kni meson build failed with
gcc 11.2.0 on Ub22.04/64
Product: DPDK
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: core
Assignee: [email protected]
Reporter: [email protected]Target Milestone: ---
[DPDK Version]
dpdk latest code dpdk-next-* and dpdk branch
[OS version]
Ubuntu22.04 LTS/(5.17.5-051705-generic/5.15.0-25-generic) GCC 11.2.0
[Test Setup]
This error is to fix https://bugs.dpdk.org/show_bug.cgi?id=1009
# wget https://patchwork.dpdk.org/project/dpdk/patch/[email protected]/mbox/ -O /tmp/a.patch # git apply /tmp/a.patch # meson --werror -Denable_kmods=True -Dlibdir=lib -Dexamples=all --default-library=static gcc-linux-app # ninja -C gcc-linux-app
[log]
[warning log]
ninja: Entering directory `gcc-linux-app'
[3631/3631] Generating kernel/linux/kni/rte_kni with a custom command
make: Entering directory '/usr/src/linux-headers-5.17.5-051705-generic'
CC [M] /tmp/dpdk/gcc-linux-app/kernel/linux/kni/kni_misc.o CC [M] /tmp/dpdk/gcc-linux-app/kernel/linux/kni/kni_net.o/tmp/dpdk/kernel/linux/kni/kni_net.c: In function ‘kni_net_set_mac’:/tmp/dpdk/kernel/linux/kni/kni_net.c:782:22: warning: passing argument 1 of ‘memcpy’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
782 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
| ~~~~~^~~~~~~~~
In file included from ./include/linux/string.h:253,
from ./include/linux/bitmap.h:11,
from ./include/linux/cpumask.h:12,
from ./arch/x86/include/asm/paravirt.h:17,
from ./arch/x86/include/asm/irqflags.h:63,
from ./include/linux/irqflags.h:16,
from ./include/linux/rcupdate.h:26,
from ./include/linux/rculist.h:11,
from ./include/linux/pid.h:5,
from ./include/linux/sched.h:14,
from ./include/linux/ratelimit.h:6,
from ./include/linux/dev_printk.h:16,
from ./include/linux/device.h:15,
from /tmp/dpdk/kernel/linux/kni/kni_net.c:11:./include/linux/fortify-string.h:212:37: note: expected ‘void *’ but argument is of type ‘const unsigned char *’
212 | __FORTIFY_INLINE void *memcpy(void *p, const void *q, __kernel_size_t
size)
| ~~~~~~^/tmp/dpdk/kernel/linux/kni/kni_misc.c: In function ‘kni_ioctl_create’:/tmp/dpdk/kernel/linux/kni/kni_misc.c:406:31: warning: passing argument 1 of ‘memcpy’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
406 | memcpy(net_dev->dev_addr, dev_info.mac_addr, ETH_ALEN);
| ~~~~~~^~~~~~~~~
In file included from ./include/linux/string.h:253,
from ./include/linux/bitmap.h:11,
from ./include/linux/cpumask.h:12,
from ./arch/x86/include/asm/cpumask.h:5,
from ./arch/x86/include/asm/msr.h:11,
from ./arch/x86/include/asm/processor.h:22,
from ./arch/x86/include/asm/timex.h:5,
from ./include/linux/timex.h:65,
from ./include/linux/time32.h:13,
from ./include/linux/time.h:60,
from ./include/linux/stat.h:19,
from ./include/linux/module.h:13,
from /tmp/dpdk/kernel/linux/kni/kni_misc.c:7:./include/linux/fortify-string.h:212:37: note: expected ‘void *’ but argument is of type ‘const unsigned char *’
212 | __FORTIFY_INLINE void *memcpy(void *p, const void *q, __kernel_size_t
size)
| ~~~~~~^/tmp/dpdk/kernel/linux/kni/kni_misc.c:409:40: warning: passing argument 1 of ‘eth_random_addr’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
409 | eth_random_addr(net_dev->dev_addr);
| ~~~~~~^~~~~~~~~In file included from /tmp/dpdk/kernel/linux/kni/kni_misc.c:10:./include/linux/etherdevice.h:230:40: note: expected ‘u8 *’ {aka ‘unsigned char *’} but argument is of type ‘const unsigned char *’
230 | static inline void eth_random_addr(u8 *addr)
| ~~~^~~
LD [M] /tmp/dpdk/gcc-linux-app/kernel/linux/kni/rte_kni.o MODPOST /tmp/dpdk/gcc-linux-app/kernel/linux/kni/Module.symvers CC [M] /tmp/dpdk/gcc-linux-app/kernel/linux/kni/rte_kni.mod.o LD [M] /tmp/dpdk/gcc-linux-app/kernel/linux/kni/rte_kni.ko
BTF [M] /tmp/dpdk/gcc-linux-app/kernel/linux/kni/rte_kni.ko
Skipping BTF generation for /tmp/dpdk/gcc-linux-app/kernel/linux/kni/rte_kni.ko due to unavailability of vmlinux
make: Leaving directory '/usr/src/linux-headers-5.17.5-051705-generic'
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https://bugs.dpdk.org/show_bug.cgi?id=1017
gaodaxue ([email protected]) changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED--- Comment #3 from gaodaxue ([email protected]) --- Verified based on 1ab4156e7d57858 PASSED.
OS: 22.04 LTS/(5.17.5-051705-generic/5.15.0-25-generic)
Compiler: GCC 11.2.0
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