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Message-ID: <CACkGtrhbOYAEGF=c1Mii9ssXzLMb2YEcnwNdh6PW1Djnyb_QxA@mail.gmail.com> Date: Fri, 6 Jun 2014 11:53:29 -0700 From: Hán Shěn (沈涵) <shenhan@...gle.com> To: Andy Lutomirski <luto@...capital.net> Cc: linux-kernel@...r.kernel.org Subject: Re: "." in vmlinux.lds.S Yeah, the symbol "__end_rodata_hpage_align" is defined as absolute in older binutils, the newer binutils making it relative seems meaningless in this context. On Fri, Jun 6, 2014 at 11:40 AM, Andy Lutomirski <luto@...capital.net> wrote: > On 06/06/2014 10:08 AM, Hán Shěn (沈涵) wrote: >> A gentle ping? >> >> On Tue, Jun 3, 2014 at 2:46 PM, Hán Shěn (沈涵) <shenhan@...gle.com> wrote: >>> Hi we are trying to boot up a x86_64 chrome book using binutils 2.24 and >>> kernel 3.8, but failed. >>> >>> After some triage work, we found that a 2-year-old binutil CL changed the >>> interpretation of "." in linker script （short story: absolute -> relative, >>> long story: https://sourceware.org/ml/binutils/2012-06/msg00155.html). >>> >>> After some further work, we are able to boot the kernel with a kernel patch >>> pasted at EOM. I am curious, why the upstream kernel is never hit by this >>> behavior? We enabled "CONFIG_DEBUG_RODATA", so we were hit, is this some >>> macro not usually turned on? > > What does a section-relative symbol do? > > --Andy -- Han Shen | Software Engineer | shenhan@...gle.com | +1-650-440-3330 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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