linux-kernel - [tip: efi/core] efi/libstub: Export efi_low_alloc

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Message-ID: <160041785714.15536.14303158158800922242.tip-bot2@tip-bot2>
Date:   Fri, 18 Sep 2020 08:30:57 -0000
From:   "tip-bot2 for Ard Biesheuvel" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Maxim Uvarov <maxim.uvarov@...aro.org>,
        Ard Biesheuvel <ardb@...nel.org>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: efi/core] efi/libstub: Export efi_low_alloc_above() to other units

The following commit has been merged into the efi/core branch of tip:

Commit-ID:     1a895dbf4b66456bfb7da646cc9b1be3e24f4a1d
Gitweb:        https://git.kernel.org/tip/1a895dbf4b66456bfb7da646cc9b1be3e24f4a1d
Author:        Ard Biesheuvel <ardb@...nel.org>
AuthorDate:    Wed, 09 Sep 2020 16:16:20 +03:00
Committer:     Ard Biesheuvel <ardb@...nel.org>
CommitterDate: Wed, 16 Sep 2020 18:54:59 +03:00

efi/libstub: Export efi_low_alloc_above() to other units

Permit arm32-stub.c to access efi_low_alloc_above() in a subsequent
patch by giving it external linkage and declaring it in efistub.h.

Reviewed-by: Maxim Uvarov <maxim.uvarov@...aro.org>
Tested-by: Maxim Uvarov <maxim.uvarov@...aro.org>
Signed-off-by: Ard Biesheuvel <ardb@...nel.org>
---
 drivers/firmware/efi/libstub/efistub.h  | 3 +++
 drivers/firmware/efi/libstub/relocate.c | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h
index 85050f5..158f86f 100644
--- a/drivers/firmware/efi/libstub/efistub.h
+++ b/drivers/firmware/efi/libstub/efistub.h
@@ -740,6 +740,9 @@ efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr,
 efi_status_t efi_allocate_pages_aligned(unsigned long size, unsigned long *addr,
 					unsigned long max, unsigned long align);
 
+efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align,
+				 unsigned long *addr, unsigned long min);
+
 efi_status_t efi_relocate_kernel(unsigned long *image_addr,
 				 unsigned long image_size,
 				 unsigned long alloc_size,
diff --git a/drivers/firmware/efi/libstub/relocate.c b/drivers/firmware/efi/libstub/relocate.c
index 9b1aaf8..8ee9eb2 100644
--- a/drivers/firmware/efi/libstub/relocate.c
+++ b/drivers/firmware/efi/libstub/relocate.c
@@ -20,8 +20,8 @@
  *
  * Return:	status code
  */
-static efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align,
-					unsigned long *addr, unsigned long min)
+efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align,
+				 unsigned long *addr, unsigned long min)
 {
 	unsigned long map_size, desc_size, buff_size;
 	efi_memory_desc_t *map;