| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <f3de29ec-ae58-4108-862b-a9457e8ac7eb@kernel.org> Date: Thu, 5 Feb 2026 09:14:22 +0100 From: "Christophe Leroy (CS GROUP)" <chleroy@...nel.org> To: "Mukesh Kumar Chaurasiya (IBM)" <mkchauras@...il.com>, linkmauve@...kmauve.fr, ojeda@...nel.org, boqun.feng@...il.com, gary@...yguo.net, bjorn3_gh@...tonmail.com, lossin@...nel.org, a.hindborg@...nel.org, aliceryhl@...gle.com, tmgross@...ch.edu, dakr@...nel.org, corbet@....net, maddy@...ux.ibm.com, mpe@...erman.id.au, npiggin@...il.com, peterz@...radead.org, jpoimboe@...nel.org, jbaron@...mai.com, rostedt@...dmis.org, ardb@...nel.org, rust-for-linux@...r.kernel.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org Subject: Re: [PATCH V2 3/3] powerpc: Enable Rust for ppc64le Le 04/02/2026 à 22:01, Mukesh Kumar Chaurasiya (IBM) a écrit : > [Vous ne recevez pas souvent de courriers de mkchauras@...il.com. Découvrez pourquoi ceci est important à https://aka.ms/LearnAboutSenderIdentification ] > > Enabling rust support for ppc64le only. > > Tested on powernv9: > > $ uname -rm > 6.19.0-rc8+ ppc64le > > $ sudo modprobe rust_minimal > [ 632.890850] rust_minimal: Rust minimal sample (init) > [ 632.890881] rust_minimal: Am I built-in? false > [ 632.890898] rust_minimal: test_parameter: 1 > > $ sudo rmmod rust_minimal > [ 648.272832] rust_minimal: My numbers are [72, 108, 200] > [ 648.272873] rust_minimal: Rust minimal sample (exit) > > $ sudo modprobe rust_print > [ 843.410391] rust_print: Rust printing macros sample (init) > [ 843.410424] rust_print: Emergency message (level 0) without args > [ 843.410451] rust_print: Alert message (level 1) without args > [ 843.410477] rust_print: Critical message (level 2) without args > [ 843.410503] rust_print: Error message (level 3) without args > [ 843.410530] rust_print: Warning message (level 4) without args > [ 843.410557] rust_print: Notice message (level 5) without args > [ 843.410594] rust_print: Info message (level 6) without args > [ 843.410617] rust_print: A line that is continued without args > [ 843.410646] rust_print: Emergency message (level 0) with args > [ 843.410675] rust_print: Alert message (level 1) with args > [ 843.410691] rust_print: Critical message (level 2) with args > [ 843.410727] rust_print: Error message (level 3) with args > [ 843.410761] rust_print: Warning message (level 4) with args > [ 843.410796] rust_print: Notice message (level 5) with args > [ 843.410821] rust_print: Info message (level 6) with args > [ 843.410854] rust_print: A line that is continued with args > [ 843.410892] rust_print: 1 > [ 843.410895] rust_print: "hello, world" > [ 843.410924] rust_print: [samples/rust/rust_print_main.rs:35:5] c = "hello, world" > [ 843.410977] rust_print: Arc<dyn Display> says 42 > [ 843.410979] rust_print: Arc<dyn Display> says hello, world > > $ sudo rmmod rust_print > [ 843.411003] rust_print: "hello, world" > [ 888.499935] rust_print: Rust printing macros sample (exit) > > Signed-off-by: Mukesh Kumar Chaurasiya (IBM) <mkchauras@...il.com> Reviewed-by: Christophe Leroy (CS GROUP) <chleroy@...nel.org> Small comment below > --- > Documentation/rust/arch-support.rst | 2 +- > arch/powerpc/Kconfig | 2 +- > arch/powerpc/Makefile | 9 ++++++++- > rust/Makefile | 9 ++++++++- > 4 files changed, 18 insertions(+), 4 deletions(-) > > diff --git a/Documentation/rust/arch-support.rst b/Documentation/rust/arch-support.rst > index e26a94808e97..627471ac9238 100644 > --- a/Documentation/rust/arch-support.rst > +++ b/Documentation/rust/arch-support.rst > @@ -18,7 +18,7 @@ Architecture Level of support Constraints > ``arm`` Maintained ARMv7 Little Endian only. > ``arm64`` Maintained Little Endian only. > ``loongarch`` Maintained \- > -``powerpc`` Experimental 32-bit Big Endian only. > +``powerpc`` Experimental 64-bit Little Endian. 32-bit Big Endian. > ``riscv`` Maintained ``riscv64`` and LLVM/Clang only. > ``um`` Maintained \- > ``x86`` Maintained ``x86_64`` only. > diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig > index 17db23b82e91..c5dd03713af2 100644 > --- a/arch/powerpc/Kconfig > +++ b/arch/powerpc/Kconfig > @@ -283,7 +283,7 @@ config PPC > select HAVE_REGS_AND_STACK_ACCESS_API > select HAVE_RELIABLE_STACKTRACE > select HAVE_RSEQ > - select HAVE_RUST if PPC32 > + select HAVE_RUST if PPC32 || (PPC64 && CPU_LITTLE_ENDIAN) Would be better to leave the first line as is and add a second line as follows: select HAVE_RUST if PPC64 && CPU_LITTLE_ENDIAN > select HAVE_SAMPLE_FTRACE_DIRECT if HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS > select HAVE_SAMPLE_FTRACE_DIRECT_MULTI if HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS > select HAVE_SETUP_PER_CPU_AREA if PPC64 > diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile > index 9fd82c75dcbd..f93816ddc036 100644 > --- a/arch/powerpc/Makefile > +++ b/arch/powerpc/Makefile > @@ -61,7 +61,14 @@ else > KBUILD_LDFLAGS_MODULE += $(objtree)/arch/powerpc/lib/crtsavres.o > endif > > -KBUILD_RUSTFLAGS += --target=powerpc-unknown-linux-gnu > +ifdef CONFIG_PPC64 > +ifdef CONFIG_CPU_LITTLE_ENDIAN > +KBUILD_RUSTFLAGS += --target=powerpc64le-unknown-linux-gnu > +endif > +KBUILD_RUSTFLAGS += -Ctarget-feature=-mma,-vsx,-hard-float,-altivec > +else > +KBUILD_RUSTFLAGS += --target=powerpc-unknown-linux-gnu > +endif > > ifdef CONFIG_CPU_LITTLE_ENDIAN > KBUILD_CPPFLAGS += -mlittle-endian > diff --git a/rust/Makefile b/rust/Makefile > index ae22f2c5f0b3..c3961fd0d9a4 100644 > --- a/rust/Makefile > +++ b/rust/Makefile > @@ -392,10 +392,17 @@ BINDGEN_TARGET_x86 := x86_64-linux-gnu > BINDGEN_TARGET_arm64 := aarch64-linux-gnu > BINDGEN_TARGET_arm := arm-linux-gnueabi > BINDGEN_TARGET_loongarch := loongarch64-linux-gnusf > -BINDGEN_TARGET_powerpc := powerpc-linux-gnu > BINDGEN_TARGET_um := $(BINDGEN_TARGET_$(SUBARCH)) > BINDGEN_TARGET := $(BINDGEN_TARGET_$(SRCARCH)) > > +ifdef CONFIG_PPC64 > +ifdef CONFIG_CPU_LITTLE_ENDIAN > +BINDGEN_TARGET_powerpc := powerpc64le-linux-gnu > +endif > +else > +BINDGEN_TARGET_powerpc := powerpc-linux-gnu > +endif > + > # All warnings are inhibited since GCC builds are very experimental, > # many GCC warnings are not supported by Clang, they may only appear in > # some configurations, with new GCC versions, etc. > -- > 2.52.0 >
Powered by blists - more mailing lists