On Wed, Sep 25, 2024 at 05:01:02PM +0200, Ard Biesheuvel wrote: > From: Ard Biesheuvel <ardb@xxxxxxxxxx> > > Bump the minimum GCC version to 8.1 to gain unconditional support for > referring to the per-task stack cookie using a symbol rather than > relying on the fixed offset of 40 bytes from %GS, which requires > elaborate hacks to support. > > Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx> > --- > Documentation/admin-guide/README.rst | 2 +- > Documentation/process/changes.rst | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) I'd like this for arm64 and others too (for unconditional support for -fpatchable-function-entry), so FWIW: Acked-by: Mark Rutland <mark.rutland@xxxxxxx> I think you'll want to update scripts/min-tool-version.sh too; judging by the diff in the cover letter that's not handled elsehere in the series. Mark. > > diff --git a/Documentation/admin-guide/README.rst b/Documentation/admin-guide/README.rst > index f2bebff6a733..3dda41923ed6 100644 > --- a/Documentation/admin-guide/README.rst > +++ b/Documentation/admin-guide/README.rst > @@ -259,7 +259,7 @@ Configuring the kernel > Compiling the kernel > -------------------- > > - - Make sure you have at least gcc 5.1 available. > + - Make sure you have at least gcc 8.1 available. > For more information, refer to :ref:`Documentation/process/changes.rst <changes>`. > > - Do a ``make`` to create a compressed kernel image. It is also possible to do > diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst > index 00f1ed7c59c3..59b7d3d8a577 100644 > --- a/Documentation/process/changes.rst > +++ b/Documentation/process/changes.rst > @@ -29,7 +29,7 @@ you probably needn't concern yourself with pcmciautils. > ====================== =============== ======================================== > Program Minimal version Command to check the version > ====================== =============== ======================================== > -GNU C 5.1 gcc --version > +GNU C 8.1 gcc --version > Clang/LLVM (optional) 13.0.1 clang --version > Rust (optional) 1.78.0 rustc --version > bindgen (optional) 0.65.1 bindgen --version > -- > 2.46.0.792.g87dc391469-goog > >