On Tue, Jul 9, 2019 at 8:18 AM Ilya Leoshkevich <iii@xxxxxxxxxxxxx> wrote: > > Use PT_REGS_RC(ctx) instead of ctx->rax, which is not present on s390. > > This patch series consists of three preparatory commits, which make it > possible to use PT_REGS_RC in BPF selftests, followed by the actual fix. > > Since the last time, I've tested it with x86_64-linux-gnu-, > aarch64-linux-gnu-, arm-linux-gnueabihf-, mips64el-linux-gnuabi64-, > powerpc64le-linux-gnu-, s390x-linux-gnu- and sparc64-linux-gnu- > compilers, and found that I also need to add arm64 support. > > Like s390, arm64 exports user_pt_regs instead of struct pt_regs to > userspace. > > I've also made fixes for a few unrelated build problems, which I will > post separately. > > v1->v2: Split into multiple patches. > v2->v3: Added arm64 support. > > Signed-off-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx> > > Acked-by: Andrii Nakryiko <andriin@xxxxxx>