Message ID | 20230828-ppc_rerevert-v2-1-46b71a3656c6@google.com (mailing list archive) |
---|---|
State | Accepted |
Commit | 90bae4d99beb1f31d8bde7c438a36e8875ae6090 |
Headers | show |
Series | [v2] reapply: powerpc/xmon: Relax frame size for clang | expand |
Context | Check | Description |
---|---|---|
snowpatch_ozlabs/github-powerpc_ppctests | success | Successfully ran 8 jobs. |
snowpatch_ozlabs/github-powerpc_selftests | success | Successfully ran 8 jobs. |
snowpatch_ozlabs/github-powerpc_sparse | success | Successfully ran 4 jobs. |
snowpatch_ozlabs/github-powerpc_kernel_qemu | success | Successfully ran 23 jobs. |
snowpatch_ozlabs/github-powerpc_clang | success | Successfully ran 6 jobs. |
On Mon, 28 Aug 2023 13:39:06 -0700, Nick Desaulniers wrote: > This is a manual revert of commit > 7f3c5d099b6f8452dc4dcfe4179ea48e6a13d0eb, but using > ccflags-$(CONFIG_CC_IS_CLANG) which is shorter. > > Turns out that this is reproducible still under specific compiler > versions (mea culpa: I did not test every supported version of clang), > and even a few randconfigs bots found. > > [...] Applied to powerpc/next. [1/1] reapply: powerpc/xmon: Relax frame size for clang https://git.kernel.org/powerpc/c/90bae4d99beb1f31d8bde7c438a36e8875ae6090 cheers
diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile index 7705aa74a24d..682c7c0a6f77 100644 --- a/arch/powerpc/xmon/Makefile +++ b/arch/powerpc/xmon/Makefile @@ -12,6 +12,10 @@ ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE) ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC) +# Clang stores addresses on the stack causing the frame size to blow +# out. See https://github.com/ClangBuiltLinux/linux/issues/252 +ccflags-$(CONFIG_CC_IS_CLANG) += -Wframe-larger-than=4096 + obj-y += xmon.o nonstdio.o spr_access.o xmon_bpts.o ifdef CONFIG_XMON_DISASSEMBLY