diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0552-kbuild-Steal-gcc-s-pie-from-the-very-beginning.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0552-kbuild-Steal-gcc-s-pie-from-the-very-beginning.patch | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0552-kbuild-Steal-gcc-s-pie-from-the-very-beginning.patch b/target/linux/brcm2708/patches-4.4/0552-kbuild-Steal-gcc-s-pie-from-the-very-beginning.patch deleted file mode 100644 index de20f9e8c4..0000000000 --- a/target/linux/brcm2708/patches-4.4/0552-kbuild-Steal-gcc-s-pie-from-the-very-beginning.patch +++ /dev/null @@ -1,49 +0,0 @@ -From e1c194ad704d298d6914e5b1efc4afee41a18a4c Mon Sep 17 00:00:00 2001 -From: Borislav Petkov <bp@suse.de> -Date: Mon, 14 Nov 2016 19:41:31 +0100 -Subject: [PATCH] kbuild: Steal gcc's pie from the very beginning - -commit c6a385539175ebc603da53aafb7753d39089f32e upstream. - -So Sebastian turned off the PIE for kernel builds but that was too late -- Kbuild.include already uses KBUILD_CFLAGS and trying to disable gcc -options with, say cc-disable-warning, fails: - - gcc -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs - ... - -Wno-sign-compare -fno-asynchronous-unwind-tables -Wframe-address -c -x c /dev/null -o .31392.tmp - /dev/null:1:0: error: code model kernel does not support PIC mode - -because that returns an error and we can't disable the warning. For -example in this case: - -KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,) - -which leads to gcc issuing all those warnings again. - -So let's turn off PIE/PIC at the earliest possible moment, when we -declare KBUILD_CFLAGS so that cc-disable-warning picks it up too. - -Also, we need the $(call cc-option ...) because -fno-PIE is supported -since gcc v3.4 and our lowest supported gcc version is 3.2 right now. - -Signed-off-by: Borislav Petkov <bp@suse.de> -Cc: Ben Hutchings <ben@decadent.org.uk> -Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> -Signed-off-by: Michal Marek <mmarek@suse.com> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - Makefile | 2 -- - 1 file changed, 2 deletions(-) - ---- a/Makefile -+++ b/Makefile -@@ -624,8 +624,6 @@ KBUILD_CFLAGS += $(call cc-disable-warni - KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation) - KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow) - KBUILD_CFLAGS += $(call cc-disable-warning, int-in-bool-context) --KBUILD_CFLAGS += $(call cc-option,-fno-PIE) --KBUILD_AFLAGS += $(call cc-option,-fno-PIE) - - ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE - KBUILD_CFLAGS += -Os $(EXTRA_OPTIMIZATION) |