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From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: Arvind Sankar <nivedita@alum.mit.edu>
Cc: Ard Biesheuvel <ardb@kernel.org>, linux-efi <linux-efi@vger.kernel.org>
Subject: Re: [PATCH 0/3] Relocate GOT before calling EFI stub
Date: Tue, 7 Jan 2020 18:59:57 +0100	[thread overview]
Message-ID: <CAKv+Gu-PU=LqT7MEbSH-0GnJOdakDeaC=ANdmag6JptcfJEJtA@mail.gmail.com> (raw)
In-Reply-To: <20200107175829.GA1599060@rani.riverdale.lan>

On Tue, 7 Jan 2020 at 18:58, Arvind Sankar <nivedita@alum.mit.edu> wrote:
>
> On Tue, Jan 07, 2020 at 03:28:31PM +0100, Ard Biesheuvel wrote:
> >
> > Unfortunately, the command line option implements a weaker form of
> > visibility than the pragma, so it probably comes down to setting the
> > pragma in a .h file that gets -include'd via the command line so it is
> > guaranteed to be seen first.
>
> Tried hacking that in and it works, tested with gcc 4.6.4.

Excellent. But in my testing locally, I don't get any GOT entries in
the first place, strangely enough. So what changes in the output for
you with visibility hidden compared to before?

  reply	other threads:[~2020-01-07 18:00 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-07 13:54 [PATCH 0/3] Relocate GOT before calling EFI stub Arvind Sankar
2020-01-07 13:54 ` [PATCH 1/3] x86/boot/compressed/64: Make adjust_got easier to use repeatedly Arvind Sankar
2020-01-07 13:54 ` [PATCH 2/3] x86/boot/compressed/32: Allow adjust_got to be called repeatedly Arvind Sankar
2020-01-07 13:55 ` [PATCH 3/3] x86/boot: Perform GOT relocation before calling EFI stub Arvind Sankar
2020-01-07 14:01 ` [PATCH 0/3] Relocate GOT " Ard Biesheuvel
2020-01-07 14:13   ` Ard Biesheuvel
2020-01-07 14:21     ` Arvind Sankar
2020-01-07 14:24       ` Ard Biesheuvel
2020-01-07 14:27         ` Arvind Sankar
2020-01-07 14:28           ` Ard Biesheuvel
2020-01-07 17:58             ` Arvind Sankar
2020-01-07 17:59               ` Ard Biesheuvel [this message]
2020-01-07 18:08                 ` Arvind Sankar
2020-01-07 18:10                   ` Ard Biesheuvel
2020-01-07 18:32                     ` Arvind Sankar
2020-01-07 19:03                       ` Ard Biesheuvel
2020-01-07 19:14                         ` Arvind Sankar
2020-01-07 19:23                           ` Ard Biesheuvel
2020-01-07 19:51                             ` Ard Biesheuvel
2020-01-07 20:00                               ` Arvind Sankar

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