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Fri, 29 Mar 2019 14:55:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553871357; bh=O3VNcnEgr4RgsHS6S1dvA5bebdVuYK9n+II37E+uZb4=; h=Subject:To:Cc:From:Date:In-Reply-To:From; b=aO01LSgydCWa/Gm8cZFtMPV51J5I6ZnThyYe4cH3OAjYij/2BRgMcZ8UW1eEPiWPC 6nFV1qsqCHvCkkfbYeD+uijYsmHa7Y6VgSO3H5N1n54zodtNEa6L1arDtWnltiKTXg Qaoq2P0EWKSvKBzcIIg9F8tWqHaG3ogyH36xCKqQ= Subject: Patch "[PATCH stable v4.14 30/32] powerpc/fsl: Fixed warning: orphan section `__btb_flush_fixup'" has been added to the 4.14-stable tree To: christophe.leroy@c-s.fr, diana.craciun@nxp.com, gregkh@linuxfoundation.org, linuxppc-dev@ozlabs.org, mpe@ellerman.id.au, msuchanek@suse.de From: Date: Fri, 29 Mar 2019 15:54:47 +0100 In-Reply-To: <20190329112620.14489-31-mpe@ellerman.id.au> Message-ID: <15538712872257@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit X-stable: commit X-Patchwork-Hint: ignore X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: stable-commits@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This is a note to let you know that I've just added the patch titled [PATCH stable v4.14 30/32] powerpc/fsl: Fixed warning: orphan section `__btb_flush_fixup' to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: powerpc-fsl-fixed-warning-orphan-section-__btb_flush_fixup.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >From foo@baz Fri Mar 29 15:53:50 CET 2019 From: Michael Ellerman Date: Fri, 29 Mar 2019 22:26:18 +1100 Subject: [PATCH stable v4.14 30/32] powerpc/fsl: Fixed warning: orphan section `__btb_flush_fixup' To: stable@vger.kernel.org, gregkh@linuxfoundation.org Cc: linuxppc-dev@ozlabs.org, diana.craciun@nxp.com, msuchanek@suse.de, christophe.leroy@c-s.fr Message-ID: <20190329112620.14489-31-mpe@ellerman.id.au> From: Michael Ellerman From: Diana Craciun commit 039daac5526932ec731e4499613018d263af8b3e upstream. Fixed the following build warning: powerpc-linux-gnu-ld: warning: orphan section `__btb_flush_fixup' from `arch/powerpc/kernel/head_44x.o' being placed in section `__btb_flush_fixup'. Signed-off-by: Diana Craciun Signed-off-by: Michael Ellerman Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/kernel/head_booke.h | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) --- a/arch/powerpc/kernel/head_booke.h +++ b/arch/powerpc/kernel/head_booke.h @@ -32,6 +32,16 @@ */ #define THREAD_NORMSAVE(offset) (THREAD_NORMSAVES + (offset * 4)) +#ifdef CONFIG_PPC_FSL_BOOK3E +#define BOOKE_CLEAR_BTB(reg) \ +START_BTB_FLUSH_SECTION \ + BTB_FLUSH(reg) \ +END_BTB_FLUSH_SECTION +#else +#define BOOKE_CLEAR_BTB(reg) +#endif + + #define NORMAL_EXCEPTION_PROLOG(intno) \ mtspr SPRN_SPRG_WSCRATCH0, r10; /* save one register */ \ mfspr r10, SPRN_SPRG_THREAD; \ @@ -43,9 +53,7 @@ andi. r11, r11, MSR_PR; /* check whether user or kernel */\ mr r11, r1; \ beq 1f; \ -START_BTB_FLUSH_SECTION \ - BTB_FLUSH(r11) \ -END_BTB_FLUSH_SECTION \ + BOOKE_CLEAR_BTB(r11) \ /* if from user, start at top of this thread's kernel stack */ \ lwz r11, THREAD_INFO-THREAD(r10); \ ALLOC_STACK_FRAME(r11, THREAD_SIZE); \ @@ -131,9 +139,7 @@ END_BTB_FLUSH_SECTION \ stw r9,_CCR(r8); /* save CR on stack */\ mfspr r11,exc_level_srr1; /* check whether user or kernel */\ DO_KVM BOOKE_INTERRUPT_##intno exc_level_srr1; \ -START_BTB_FLUSH_SECTION \ - BTB_FLUSH(r10) \ -END_BTB_FLUSH_SECTION \ + BOOKE_CLEAR_BTB(r10) \ andi. r11,r11,MSR_PR; \ mfspr r11,SPRN_SPRG_THREAD; /* if from user, start at top of */\ lwz r11,THREAD_INFO-THREAD(r11); /* this thread's kernel stack */\ Patches currently in stable-queue which might be from mpe@ellerman.id.au are queue-4.14/powerpc-fsl-emulate-sprn_bucsr-register.patch queue-4.14/powerpc-64-make-stf-barrier-ppc_book3s_64-specific.patch queue-4.14/powerpc-fsl-fix-spectre_v2-mitigations-reporting.patch queue-4.14/powerpc-64s-patch-barrier_nospec-in-modules.patch queue-4.14/powerpc-pseries-query-hypervisor-for-count-cache-flush-settings.patch queue-4.14/powerpc-64s-add-support-for-software-count-cache-flush.patch queue-4.14/powerpc64s-show-ori31-availability-in-spectre_v1-sysfs-file-not-v2.patch queue-4.14/powerpc-fsl-flush-the-branch-predictor-at-each-kernel-entry-64bit.patch queue-4.14/powerpc-fsl-update-spectre-v2-reporting.patch queue-4.14/powerpc-64-make-meltdown-reporting-book3s-64-specific.patch queue-4.14/powerpc-64s-add-support-for-ori-barrier_nospec-patching.patch queue-4.14/powerpc-use-barrier_nospec-in-copy_from_user.patch queue-4.14/powerpc-fsl-sanitize-the-syscall-table-for-nxp-powerpc-32-bit-platforms.patch queue-4.14/powerpc-fsl-add-macro-to-flush-the-branch-predictor.patch queue-4.14/powerpc-fsl-add-barrier_nospec-implementation-for-nxp-powerpc-book3e.patch queue-4.14/powerpc-security-fix-spectre_v2-reporting.patch queue-4.14/powerpc-64-disable-the-speculation-barrier-from-the-command-line.patch queue-4.14/powerpc-fsl-fix-the-flush-of-branch-predictor.patch queue-4.14/powerpc-64-add-config_ppc_barrier_nospec.patch queue-4.14/powerpc-fsl-enable-runtime-patching-if-nospectre_v2-boot-arg-is-used.patch queue-4.14/powerpc-64-use-barrier_nospec-in-syscall-entry.patch queue-4.14/powerpc-fsl-fixed-warning-orphan-section-__btb_flush_fixup.patch queue-4.14/powerpc-fsl-add-nospectre_v2-command-line-argument.patch queue-4.14/powerpc-64s-add-new-security-feature-flags-for-count-cache-flush.patch queue-4.14/powerpc-fsl-add-infrastructure-to-fixup-branch-predictor-flush.patch queue-4.14/powerpc-64s-enhance-the-information-in-cpu_show_spectre_v1.patch queue-4.14/powerpc-64-call-setup_barrier_nospec-from-setup_arch.patch queue-4.14/powerpc-asm-add-a-patch_site-macro-helpers-for-patching-instructions.patch queue-4.14/powerpc-fsl-flush-the-branch-predictor-at-each-kernel-entry-32-bit.patch queue-4.14/powerpc-64s-enable-barrier_nospec-based-on-firmware-settings.patch queue-4.14/powerpc-fsl-flush-branch-predictor-when-entering-kvm.patch queue-4.14/powerpc-powernv-query-firmware-for-count-cache-flush-settings.patch