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efi_loader: remove efi_exit_caches()
Since GRUB patch d0c070179d4d ("arm/efi: Switch to arm64 linux loader", 2018-07-09) we do not need a workaround for GRUB on 32bit ARM anymore. So let's eliminate function efi_exit_caches(). This will require Linux distributions to update grub-efi-arm to the GRUB git HEAD (a tag containing the aforementioned GRUB patch is not available yet). Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
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1 changed files with 0 additions and 28 deletions
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@ -26,14 +26,6 @@ LIST_HEAD(efi_obj_list);
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/* List of all events */
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LIST_HEAD(efi_events);
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/*
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* If we're running on nasty systems (32bit ARM booting into non-EFI Linux)
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* we need to do trickery with caches. Since we don't want to break the EFI
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* aware boot path, only apply hacks when loading exiting directly (breaking
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* direct Linux EFI booting along the way - oh well).
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*/
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static bool efi_is_direct_boot = true;
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#ifdef CONFIG_ARM
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/*
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* The "gd" pointer lives in a register on ARM and AArch64 that we declare
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@ -1684,8 +1676,6 @@ static efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle,
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EFI_ENTRY("%p, %p, %p", image_handle, exit_data_size, exit_data);
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entry = info->reserved;
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efi_is_direct_boot = false;
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/* call the image! */
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if (setjmp(&info->exit_jmp)) {
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/*
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@ -1799,21 +1789,6 @@ static efi_status_t EFIAPI efi_unload_image(efi_handle_t image_handle)
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return EFI_EXIT(EFI_SUCCESS);
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}
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/**
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* efi_exit_caches() - fix up caches for EFI payloads if necessary
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*/
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static void efi_exit_caches(void)
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{
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#if defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
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/*
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* Grub on 32bit ARM needs to have caches disabled before jumping into
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* a zImage, but does not know of all cache layers. Give it a hand.
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*/
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if (efi_is_direct_boot)
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cleanup_before_linux();
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#endif
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}
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/**
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* efi_exit_boot_services() - stop all boot services
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* @image_handle: handle of the loaded image
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@ -1867,9 +1842,6 @@ static efi_status_t EFIAPI efi_exit_boot_services(efi_handle_t image_handle,
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board_quiesce_devices();
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/* Fix up caches for EFI payloads if necessary */
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efi_exit_caches();
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/* This stops all lingering devices */
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bootm_disable_interrupts();
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