Using -Oline -j 72 W=1 redirect to /tmp/tmp.H0JcTEeNA9 and /tmp/tmp.9ghwW36Erg
LLVM=1 cc="ccache clang"
clang version 20.1.8 (Fedora 20.1.8-4.fc42)
Tree base:
327c20c21d80 ("netpoll: Fix deadlock in memory allocation under spinlock")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/veth.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1881)
  CC [M]  drivers/net/veth.mod.o
  LD [M]  drivers/net/veth.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/veth.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1881)
  CC [M]  drivers/net/veth.mod.o
  LD [M]  drivers/net/veth.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/veth.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1881)
  CC [M]  drivers/net/veth.mod.o
  LD [M]  drivers/net/veth.ko