From: Ard Biesheuvel <ardb@kernel.org>
To: Arvind Sankar <nivedita@alum.mit.edu>
Cc: linux-efi <linux-efi@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
X86 ML <x86@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 4/5] efi: Kill __efistub_global
Date: Thu, 16 Apr 2020 09:51:49 +0200 [thread overview]
Message-ID: <CAMj1kXERKP2x6=wgdgyRtr5Rh-116bwwvVy4zgHAH=Hy9QsOew@mail.gmail.com> (raw)
In-Reply-To: <20200415221520.2692512-5-nivedita@alum.mit.edu>
On Thu, 16 Apr 2020 at 00:15, Arvind Sankar <nivedita@alum.mit.edu> wrote:
>
> Now that both arm and x86 are using the linker script to place the EFI
> stub's global variables in the correct section, remove __efistub_global.
>
> Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
> ---
> drivers/firmware/efi/libstub/arm-stub.c | 4 ++--
> drivers/firmware/efi/libstub/efi-stub-helper.c | 15 +++++++--------
> drivers/firmware/efi/libstub/efistub.h | 2 --
> drivers/firmware/efi/libstub/gop.c | 2 +-
> drivers/firmware/efi/libstub/x86-stub.c | 2 +-
> 5 files changed, 11 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c
> index 99a5cde7c2d8..bf42d6c742a8 100644
> --- a/drivers/firmware/efi/libstub/arm-stub.c
> +++ b/drivers/firmware/efi/libstub/arm-stub.c
> @@ -36,9 +36,9 @@
> #endif
>
> static u64 virtmap_base = EFI_RT_VIRTUAL_BASE;
> -static bool __efistub_global flat_va_mapping;
> +static bool flat_va_mapping;
>
> -static efi_system_table_t *__efistub_global sys_table;
> +static efi_system_table_t *sys_table;
>
> __pure efi_system_table_t *efi_system_table(void)
> {
> diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c
> index c6092b6038cf..14e56a64f208 100644
> --- a/drivers/firmware/efi/libstub/efi-stub-helper.c
> +++ b/drivers/firmware/efi/libstub/efi-stub-helper.c
> @@ -12,14 +12,13 @@
>
> #include "efistub.h"
>
> -static bool __efistub_global efi_nochunk;
> -static bool __efistub_global efi_nokaslr;
> -static bool __efistub_global efi_noinitrd;
> -static bool __efistub_global efi_quiet;
> -static bool __efistub_global efi_novamap;
> -static bool __efistub_global efi_nosoftreserve;
> -static bool __efistub_global efi_disable_pci_dma =
> - IS_ENABLED(CONFIG_EFI_DISABLE_PCI_DMA);
> +static bool efi_nochunk;
> +static bool efi_nokaslr;
> +static bool efi_noinitrd;
> +static bool efi_quiet;
> +static bool efi_novamap;
> +static bool efi_nosoftreserve;
> +static bool efi_disable_pci_dma = IS_ENABLED(CONFIG_EFI_DISABLE_PCI_DMA);
>
> bool __pure nochunk(void)
> {
> diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h
> index 49651e20bb9f..f96c56596034 100644
> --- a/drivers/firmware/efi/libstub/efistub.h
> +++ b/drivers/firmware/efi/libstub/efistub.h
> @@ -25,8 +25,6 @@
> #define EFI_ALLOC_ALIGN EFI_PAGE_SIZE
> #endif
>
> -#define __efistub_global
> -
> extern bool __pure nochunk(void);
> extern bool __pure nokaslr(void);
> extern bool __pure noinitrd(void);
> diff --git a/drivers/firmware/efi/libstub/gop.c b/drivers/firmware/efi/libstub/gop.c
> index fa05a0b0adfd..216327d0b034 100644
> --- a/drivers/firmware/efi/libstub/gop.c
> +++ b/drivers/firmware/efi/libstub/gop.c
> @@ -32,7 +32,7 @@ static struct {
> u8 depth;
> } res;
> };
> -} cmdline __efistub_global = { .option = EFI_CMDLINE_NONE };
> +} cmdline = { .option = EFI_CMDLINE_NONE };
>
> static bool parse_modenum(char *option, char **next)
> {
> diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c
> index 7583e908852f..aedac3af4b5c 100644
> --- a/drivers/firmware/efi/libstub/x86-stub.c
> +++ b/drivers/firmware/efi/libstub/x86-stub.c
> @@ -20,7 +20,7 @@
> /* Maximum physical address for 64-bit kernel with 4-level paging */
> #define MAXMEM_X86_64_4LEVEL (1ull << 46)
>
> -static efi_system_table_t *sys_table __efistub_global;
> +static efi_system_table_t *sys_table;
> extern const bool efi_is64;
> extern u32 image_offset;
>
> --
> 2.24.1
>
next prev parent reply other threads:[~2020-04-16 7:52 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-15 22:15 [PATCH 0/5] efi: Remove __efistub_global annotation Arvind Sankar
2020-04-15 22:15 ` [PATCH 1/5] efi/arm: " Arvind Sankar
2020-04-16 7:50 ` Ard Biesheuvel
2020-04-15 22:15 ` [PATCH 2/5] efi/libstub: Factor out relocation checking Arvind Sankar
2020-04-15 22:15 ` [PATCH 3/5] efi/x86: Remove __efistub_global annotation Arvind Sankar
2020-04-16 7:51 ` Ard Biesheuvel
2020-04-15 22:15 ` [PATCH 4/5] efi: Kill __efistub_global Arvind Sankar
2020-04-16 7:51 ` Ard Biesheuvel [this message]
2020-04-15 22:15 ` [PATCH 5/5] efi/x86: Check for bad relocations Arvind Sankar
2020-04-16 7:38 ` Ard Biesheuvel
2020-04-16 14:48 ` Arvind Sankar
2020-04-16 15:12 ` [PATCH v2 0/3] efi: Remove __efistub_global annotation Arvind Sankar
2020-04-16 16:01 ` Ard Biesheuvel
2020-04-16 15:12 ` [PATCH v2 1/3] efi/arm: " Arvind Sankar
2020-04-16 15:12 ` [PATCH v2 2/3] efi/x86: Remove __efistub_global and add relocation check Arvind Sankar
2020-04-16 15:12 ` [PATCH v2 3/3] efi: Kill __efistub_global Arvind Sankar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAMj1kXERKP2x6=wgdgyRtr5Rh-116bwwvVy4zgHAH=Hy9QsOew@mail.gmail.com' \
--to=ardb@kernel.org \
--cc=bp@alien8.de \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-efi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=nivedita@alum.mit.edu \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).