v3:
- rebase on Linus' patch (v6.12-rc5)
- remove putuser(), copy_to_user(), clear_user() changes: as Linus
points out, they don't produce a value that could be used in a
dependent load to leak anything.
- convert 32-bit versions of copy_from_user(), get_user() and
__get_user() and converge code.
Josh Poimboeuf (6):
x86/uaccess: Avoid barrier_nospec() in 64-bit copy_from_user()
x86/uaccess: Avoid barrier_nospec() in 64-bit __get_user()
x86/uaccess: Avoid barrier_nospec() in 32-bit copy_from_user()
x86/uaccess: Convert 32-bit get_user() to unconditional pointer
masking
x86/uaccess: Avoid barrier_nospec() in 32-bit __get_user()
x86/uaccess: Converge [__]get_user() implementations
arch/powerpc/include/asm/uaccess.h | 2 +
arch/x86/include/asm/uaccess.h | 34 ++++++++++++
arch/x86/include/asm/uaccess_32.h | 1 +
arch/x86/include/asm/uaccess_64.h | 30 +----------
arch/x86/lib/getuser.S | 85 ++++++++----------------------
include/linux/uaccess.h | 6 ---
6 files changed, 61 insertions(+), 97 deletions(-)
--
2.47.0
