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From: Ingo Molnar <mingo@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org,
	Matt Fleming <matt@codeblueprint.co.uk>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	linux-efi@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: [GIT PULL] EFI fixes
Date: Tue, 7 Mar 2017 21:21:08 +0100
Message-ID: <20170307202107.GA7091@gmail.com> (raw)

Linus,

Please pull the latest efi-urgent-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git efi-urgent-for-linus

   # HEAD: d1eb98143c56f24fef125f5bbed49ae0b52fb7d6 efi/arm: Fix boot crash with CONFIG_CPUMASK_OFFSTACK=y

A boot crash fix, and a secure boot related boot messages fix.

 Thanks,

	Ingo

------------------>
Ard Biesheuvel (2):
      efi/libstub: Treat missing SecureBoot variable as Secure Boot disabled
      efi/arm: Fix boot crash with CONFIG_CPUMASK_OFFSTACK=y


 drivers/firmware/efi/arm-runtime.c        | 1 +
 drivers/firmware/efi/libstub/secureboot.c | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c
index 349dc3e1e52e..974c5a31a005 100644
--- a/drivers/firmware/efi/arm-runtime.c
+++ b/drivers/firmware/efi/arm-runtime.c
@@ -65,6 +65,7 @@ static bool __init efi_virtmap_init(void)
 	bool systab_found;
 
 	efi_mm.pgd = pgd_alloc(&efi_mm);
+	mm_init_cpumask(&efi_mm);
 	init_new_context(NULL, &efi_mm);
 
 	systab_found = false;
diff --git a/drivers/firmware/efi/libstub/secureboot.c b/drivers/firmware/efi/libstub/secureboot.c
index 6def402bf569..5da36e56b36a 100644
--- a/drivers/firmware/efi/libstub/secureboot.c
+++ b/drivers/firmware/efi/libstub/secureboot.c
@@ -45,6 +45,8 @@ enum efi_secureboot_mode efi_get_secureboot(efi_system_table_t *sys_table_arg)
 	size = sizeof(secboot);
 	status = get_efi_var(efi_SecureBoot_name, &efi_variable_guid,
 			     NULL, &size, &secboot);
+	if (status == EFI_NOT_FOUND)
+		return efi_secureboot_mode_disabled;
 	if (status != EFI_SUCCESS)
 		goto out_efi_err;
 
@@ -78,7 +80,5 @@ enum efi_secureboot_mode efi_get_secureboot(efi_system_table_t *sys_table_arg)
 
 out_efi_err:
 	pr_efi_err(sys_table_arg, "Could not determine UEFI Secure Boot status.\n");
-	if (status == EFI_NOT_FOUND)
-		return efi_secureboot_mode_disabled;
 	return efi_secureboot_mode_unknown;
 }

             reply index

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-07 20:21 Ingo Molnar [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-06-02 17:44 Ingo Molnar
2021-06-02 19:36 ` pr-tracker-bot
2021-03-21 10:47 Ingo Molnar
2021-03-21 18:45 ` pr-tracker-bot
2020-07-25 10:32 Ingo Molnar
2020-07-25 22:30 ` pr-tracker-bot
2020-06-28 18:26 Ingo Molnar
2020-06-28 18:57 ` Linus Torvalds
2020-06-28 19:26   ` Ard Biesheuvel
2020-06-28 19:34     ` Borislav Petkov
2020-07-08 16:20   ` Peter Zijlstra
2020-07-08 18:00     ` Linus Torvalds
2020-07-09  8:28       ` Peter Zijlstra
2020-07-09  9:30       ` Arnd Bergmann
2020-07-09 10:34         ` Kirill A. Shutemov
2020-07-10 10:09           ` Arnd Bergmann
2020-07-10 11:00             ` Kirill A. Shutemov
2020-07-10 11:17               ` Lukas Wunner
2020-06-28 22:05 ` pr-tracker-bot
2020-04-15  9:03 Ingo Molnar
2020-04-16  0:45 ` pr-tracker-bot
2020-03-02  7:10 Ingo Molnar
2020-03-03 23:35 ` pr-tracker-bot
2020-01-18 17:16 Ingo Molnar
2020-01-18 21:05 ` pr-tracker-bot
2019-12-17 11:09 Ingo Molnar
2019-12-17 19:20 ` pr-tracker-bot
2019-11-01 17:43 Ingo Molnar
2019-11-01 19:10 ` pr-tracker-bot
2019-10-12 13:01 Ingo Molnar
2019-10-12 22:35 ` pr-tracker-bot
2019-06-29  8:23 Ingo Molnar
2019-06-29 11:45 ` pr-tracker-bot
2019-06-02 17:35 Ingo Molnar
2019-06-02 18:15 ` pr-tracker-bot
2018-12-09 21:59 Ingo Molnar
2018-12-09 23:45 ` pr-tracker-bot
2018-11-17 10:51 Ingo Molnar
2018-11-18 20:05 ` pr-tracker-bot
2017-12-06 22:05 Ingo Molnar
2017-10-27 19:10 Ingo Molnar
2017-06-02  6:46 Ingo Molnar
2017-02-02 20:54 Ingo Molnar
2017-01-15  9:53 Ingo Molnar
2016-11-14  7:50 Ingo Molnar
2016-10-22 10:36 Ingo Molnar
2016-09-13 18:08 Ingo Molnar
2016-08-12 19:17 Ingo Molnar
2016-06-10 12:36 Ingo Molnar
2016-05-06 11:07 Ingo Molnar
2015-10-03 10:11 Ingo Molnar

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