Messages in this thread |  | | Date | Thu, 19 Dec 2019 18:24:35 -0500 | From | Sasha Levin <> | Subject | Re: [PATCH AUTOSEL 5.4 316/350] int128: move __uint128_t compiler test to Kconfig |
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On Wed, Dec 11, 2019 at 10:07:54AM +0000, Ard Biesheuvel wrote: >On Tue, 10 Dec 2019 at 22:13, Sasha Levin <sashal@kernel.org> wrote: >> >> From: Ard Biesheuvel <ardb@kernel.org> >> >> [ Upstream commit c12d3362a74bf0cd9e1d488918d40607b62a3104 ] >> >> In order to use 128-bit integer arithmetic in C code, the architecture >> needs to have declared support for it by setting ARCH_SUPPORTS_INT128, >> and it requires a version of the toolchain that supports this at build >> time. This is why all existing tests for ARCH_SUPPORTS_INT128 also test >> whether __SIZEOF_INT128__ is defined, since this is only the case for >> compilers that can support 128-bit integers. >> >> Let's fold this additional test into the Kconfig declaration of >> ARCH_SUPPORTS_INT128 so that we can also use the symbol in Makefiles, >> e.g., to decide whether a certain object needs to be included in the >> first place. >> >> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> >> Signed-off-by: Ard Biesheuvel <ardb@kernel.org> >> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> >> Signed-off-by: Sasha Levin <sashal@kernel.org> > >This does not fix a bug so no need to put it in -stable
Dropped, thanks!
-- Thanks, Sasha
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