Messages in this thread | | | Date | Tue, 16 Mar 2021 10:45:32 +0000 | From | Catalin Marinas <> | Subject | Re: [PATCH] arm64: vmlinux.lds.S: keep .entry.tramp.text section |
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On Fri, Feb 26, 2021 at 08:32:57PM -0800, Fangrui Song wrote: > On 2021-02-26, Kees Cook wrote: > > On Fri, Feb 26, 2021 at 03:03:39PM +0100, Arnd Bergmann wrote: > > > From: Arnd Bergmann <arnd@arndb.de> > > > > > > When building with CONFIG_LD_DEAD_CODE_DATA_ELIMINATION, > > > I sometimes see an assertion > > > > > > ld.lld: error: Entry trampoline text too big > > > > Heh, "too big" seems a weird report for having it discarded. :) > > > > Any idea on this Fangrui? > > > > ( I see this is https://github.com/ClangBuiltLinux/linux/issues/1311 ) > > This diagnostic is from an ASSERT in arch/arm64/kernel/vmlinux.lds > > ASSERT((__entry_tramp_text_end - __entry_tramp_text_start) == (1 << 16), > "Entry trampoline text too big")
Can we not change the ASSERT to be <= PAGE_SIZE instead?
-- Catalin
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