From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: Alexander Lobakin <alobakin@pm.me>
Cc: Kees Cook <keescook@chromium.org>, Arnd Bergmann <arnd@arndb.de>,
Nathan Chancellor <natechancellor@gmail.com>,
Nick Desaulniers <ndesaulniers@google.com>,
Huacai Chen <chenhuacai@kernel.org>,
Pei Huang <huangpei@loongson.cn>,
Fangrui Song <maskray@google.com>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
Ralf Baechle <ralf@linux-mips.org>,
Corey Minyard <cminyard@mvista.com>,
linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org, stable@vger.kernel.org,
clang-built-linux@googlegroups.com
Subject: Re: [PATCH v5 mips-next 0/9] MIPS: vmlinux.lds.S sections fixes & cleanup
Date: Mon, 11 Jan 2021 23:43:05 +0100 [thread overview]
Message-ID: <20210111224305.GA22825@alpha.franken.de> (raw)
In-Reply-To: <20210111205649.18263-1-alobakin@pm.me>
On Mon, Jan 11, 2021 at 08:57:25PM +0000, Alexander Lobakin wrote:
> From: Kees Cook <keescook@chromium.org>
> Date: Mon, 11 Jan 2021 11:53:39 -0800
>
> > On Sun, Jan 10, 2021 at 11:53:50AM +0000, Alexander Lobakin wrote:
> >> This series hunts the problems discovered after manual enabling of
> >> ARCH_WANT_LD_ORPHAN_WARN. Notably:
> >> - adds the missing PAGE_ALIGNED_DATA() section affecting VDSO
> >> placement (marked for stable);
> >> - stops blind catching of orphan text sections with .text.*
> >> directive;
> >> - properly stops .eh_frame section generation.
> >>
> >> Compile and runtime tested on MIPS32R2 CPS board with no issues
> >> using two different toolkits:
> >> - Binutils 2.35.1, GCC 10.2.1 (with Alpine patches);
> >> - LLVM stack: 11.0.0 and from latest Git snapshot.
> >>
> >> Since v4 [3]:
> >> - new: drop redundant .text.cps-vec creation and blind inclusion
> >> of orphan text sections via .text.* directive in vmlinux.lds.S;
> >> - don't assert SIZEOF(.rel.dyn) as it's reported that it may be not
> >> empty on certain machines and compilers (Thomas);
> >> - align GOT table like it's done for ARM64;
> >> - new: catch UBSAN's "unnamed data" sections in generic definitions
> >> when building with LD_DEAD_CODE_DATA_ELIMINATION;
> >> - collect Reviewed-bys (Kees, Nathan).
> >
> > Looks good; which tree will this land through?
>
> linux-mips/mips-next I guess, since 7 of 9 patches are related only
> to this architecture.
> This might need Arnd's Acked-bys or Reviewed-by for the two that
> refer include/asm-generic, let's see what Thomas think.
Looks good from my side and I have it already sitting in branch for
submission.
Arnd, are you ok with the changes in include/asm-generic ?
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
next prev parent reply other threads:[~2021-01-12 0:56 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-10 11:53 [PATCH v5 mips-next 0/9] MIPS: vmlinux.lds.S sections fixes & cleanup Alexander Lobakin
2021-01-10 11:56 ` [PATCH v5 mips-next 1/9] MIPS: vmlinux.lds.S: add missing PAGE_ALIGNED_DATA() section Alexander Lobakin
2021-01-10 11:56 ` [PATCH v5 mips-next 2/9] MIPS: CPS: don't create redundant .text.cps-vec section Alexander Lobakin
2021-01-10 11:56 ` [PATCH v5 mips-next 3/9] MIPS: vmlinux.lds.S: add ".gnu.attributes" to DISCARDS Alexander Lobakin
2021-01-10 11:56 ` [PATCH v5 mips-next 4/9] MIPS: properly stop .eh_frame generation Alexander Lobakin
2021-01-10 11:56 ` [PATCH v5 mips-next 5/9] MIPS: vmlinux.lds.S: explicitly catch .rel.dyn symbols Alexander Lobakin
2021-01-11 1:28 ` Nathan Chancellor
2021-01-10 11:56 ` [PATCH v5 mips-next 6/9] MIPS: vmlinux.lds.S: explicitly declare .got table Alexander Lobakin
2021-01-10 11:56 ` [PATCH v5 mips-next 7/9] vmlinux.lds.h: catch compound literals into data and BSS Alexander Lobakin
2021-01-10 11:56 ` [PATCH v5 mips-next 8/9] vmlinux.lds.h: catch UBSAN's "unnamed data" into data Alexander Lobakin
2021-01-11 2:05 ` Nathan Chancellor
2021-01-10 11:57 ` [PATCH v5 mips-next 9/9] MIPS: select ARCH_WANT_LD_ORPHAN_WARN Alexander Lobakin
2021-01-11 19:53 ` [PATCH v5 mips-next 0/9] MIPS: vmlinux.lds.S sections fixes & cleanup Kees Cook
2021-01-11 20:57 ` Alexander Lobakin
2021-01-11 22:43 ` Thomas Bogendoerfer [this message]
2021-01-15 11:15 ` Arnd Bergmann
2021-01-15 14:40 ` Thomas Bogendoerfer
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