Messages in this thread | | | Subject | Re: [PATCH 0/3] Resolve -Wattribute-alias warnings from SYSCALL_DEFINEx() | From | Christophe LEROY <> | Date | Mon, 18 Jun 2018 09:00:37 +0200 |
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Le 16/06/2018 à 02:53, Paul Burton a écrit : > This series introduces infrastructure allowing compiler diagnostics to > be disabled or their severity modified for specific pieces of code, with > suitable abstractions to prevent that code from becoming tied to a > specific compiler. > > This infrastructure is then used to disable the -Wattribute-alias > warning around syscall definitions, which rely on type mismatches to > sanitize arguments. > > Finally PowerPC-specific #pragma's are removed now that the generic code > is handling this. > > The series takes Arnd's RFC patches & addresses the review comments they > received. The most notable effect of this series to to avoid warnings & > build failures caused by -Wattribute-alias when compiling the kernel > with GCC 8. > > Applies cleanly atop master as of 9215310cf13b ("Merge > git://git.kernel.org/pub/scm/linux/kernel/git/davem/net"). > > Thanks, > Paul > > Arnd Bergmann (2): > kbuild: add macro for controlling warnings to linux/compiler.h > disable -Wattribute-alias warning for SYSCALL_DEFINEx() > > Paul Burton (1): > Revert "powerpc: fix build failure by disabling attribute-alias > warning in pci_32" > > arch/powerpc/kernel/pci_32.c | 4 --- > include/linux/compat.h | 8 ++++- > include/linux/compiler-gcc.h | 66 ++++++++++++++++++++++++++++++++++ > include/linux/compiler_types.h | 18 ++++++++++ > include/linux/syscalls.h | 4 +++ > 5 files changed, 95 insertions(+), 5 deletions(-) >
Works well, thanks.
You can then also revert 2479bfc9bc600dcce7f932d52dcfa8d677c41f93 ("powerpc: Fix build by disabling attribute-alias warning for SYSCALL_DEFINEx")
Christophe
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