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Fix exit to EFI firmware

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The current code for EFI grub_exit() calls grub_efi_fini() before
returning to firmware. In the case of ARM, this leaves a timer
event running which could lead to a firmware crash. This patch
changes this so that grub_machine_fini() is called with a NORETURN
flag. This allows machine-specific shutdown to happen as well
as the shutdown done by grub_efi_fini().

Signed-off-by: Mark Salter <msalter@redhat.com>
This commit is contained in:
Mark Salter authored and Andrei Borzenkov committed 2015-06-12 13:08:36 +03:00
1 parent f4b1b48a83
commit c945ca75c3
2 files changed
+3 -2
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grub-core/kern/arm/efi/init.c
+1 -1
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@@ -67,7 +67,7 @@ grub_machine_fini (int flags)
b = grub_efi_system_table->boot_services;
efi_call_3 (b->set_timer, tmr_evt, GRUB_EFI_TIMER_PERIODIC, 0);
efi_call_3 (b->set_timer, tmr_evt, GRUB_EFI_TIMER_CANCEL, 0);
efi_call_1 (b->close_event, tmr_evt);
grub_efi_fini ();