From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 40xF3n6zyNzDrvG for ; Thu, 31 May 2018 14:34:29 +1000 (AEST) From: Benjamin Herrenschmidt To: linuxppc-dev@lists.ozlabs.org Subject: [RFC PATCH 10/11] powerpc/prom_init: Move __prombss to it's own section and store it in .bss Date: Thu, 31 May 2018 14:33:48 +1000 Message-Id: <20180531043349.24783-11-benh@kernel.crashing.org> In-Reply-To: <20180531043349.24783-1-benh@kernel.crashing.org> References: <20180531043349.24783-1-benh@kernel.crashing.org> Reply-To: [RFC.PATCH.00/11]prom_init.cleanups.and.sanitization@gate.crashing.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This makes __prombss its own section, and for now store it in .bss. This will give us the ability later to store it elsewhere and/or free it after boot (it's about 8KB). Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/prom_init.c | 2 +- arch/powerpc/kernel/vmlinux.lds.S | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index f54177a84dbc..8c39f6bb8ee3 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -49,7 +49,7 @@ #include /* All of prom_init bss lives here */ -#define __prombss __initdata +#define __prombss __section(.bss.prominit) /* * Eventually bump that one up diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index b8d82678f8b4..c3254d978e34 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -4,6 +4,9 @@ #else #define PROVIDE32(x) PROVIDE(x) #endif + +#define BSS_FIRST_SECTIONS *(.bss.prominit) + #include #include #include -- 2.17.0