Messages in this thread | | | Date | Wed, 22 Feb 2023 07:33:34 -0800 | Subject | Re: [PATCH] bpf: Fix undeclared function 'barrier_nospec' warning | From | Dave Hansen <> |
| |
On 2/22/23 07:03, Geert Uytterhoeven wrote: > On Wed, Feb 22, 2023 at 9:26 AM Viresh Kumar <viresh.kumar@linaro.org> wrote: >> Add the missing header for architectures that don't define >> the barrier_nospec() macro. The nospec.h header is added after the >> inclusion of barrier.h to avoid redefining the macro for architectures >> that already define barrier_nospec() in their respective barrier.h >> headers. >> >> Fixes: 74e19ef0ff80 ("uaccess: Add speculation barrier to copy_from_user()") >> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> >> --- >> Linus's master branch fails currently to build for arm64 without this commit. > Not just arm64 🙁 > http://kisskb.ellerman.id.au/kisskb/head/5b7c4cabbb65f5c469464da6c5f614cbd7f730f2
Thanks for the fix, and sorry for the breakage, folks! Obviously:
Tested-by: Dave Hansen <dave.hansen@linux.intel.com>
Now time to go make sure I have bpf turned on in all my cross builds.
| |