From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [103.22.144.67]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3rsPxH4b5MzDqGv for ; Sun, 17 Jul 2016 08:58:27 +1000 (AEST) Message-ID: <1468709905.20552.165.camel@kernel.crashing.org> Subject: [PATCH] powerpc/book64s: Move a few exception common handlers to make room From: Benjamin Herrenschmidt To: Michael Ellerman Cc: linuxppc-dev@ozlabs.org Date: Sat, 16 Jul 2016 17:58:25 -0500 Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This moves the CBE RAS and facility unavailable "common" handlers down to after the FWNMI page. This frees up some space in the very demanded spaces before the relocation-on vectors and before the FWNMI page. They are still within 64K of __start, so CONFIG_RELOCATABLE should still work. Signed-off-by: Benjamin Herrenschmidt --- Written in an airline lounge after about 30h spent in planes and airports, so I apologize in advance if something is just plain wrong here, but it seems to compile ;-) arch/powerpc/kernel/exceptions-64s.S | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 4c94406..92bab94 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -762,11 +762,6 @@ kvmppc_skip_Hinterrupt: #else STD_EXCEPTION_COMMON(0x1700, altivec_assist, unknown_exception) #endif -#ifdef CONFIG_CBE_RAS - STD_EXCEPTION_COMMON(0x1200, cbe_system_error, cbe_system_error_exception) - STD_EXCEPTION_COMMON(0x1600, cbe_maintenance, cbe_maintenance_exception) - STD_EXCEPTION_COMMON(0x1800, cbe_thermal, cbe_thermal_exception) -#endif /* CONFIG_CBE_RAS */ /* * Relocation-on interrupts: A subset of the interrupts can be delivered @@ -1131,9 +1126,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX) bl vsx_unavailable_exception b ret_from_except - STD_EXCEPTION_COMMON(0xf60, facility_unavailable, facility_unavailable_exception) - STD_EXCEPTION_COMMON(0xf80, hv_facility_unavailable, facility_unavailable_exception) - /* Equivalents to the above handlers for relocation-on interrupt vectors */ STD_RELON_EXCEPTION_HV_OOL(0xe40, emulation_assist) MASKABLE_RELON_EXCEPTION_HV_OOL(0xe80, h_doorbell) @@ -1170,6 +1162,15 @@ fwnmi_data_area: . = 0x8000 #endif /* defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV) */ + STD_EXCEPTION_COMMON(0xf60, facility_unavailable, facility_unavailable_exception) + STD_EXCEPTION_COMMON(0xf80, hv_facility_unavailable, facility_unavailable_exception) + +#ifdef CONFIG_CBE_RAS + STD_EXCEPTION_COMMON(0x1200, cbe_system_error, cbe_system_error_exception) + STD_EXCEPTION_COMMON(0x1600, cbe_maintenance, cbe_maintenance_exception) + STD_EXCEPTION_COMMON(0x1800, cbe_thermal, cbe_thermal_exception) +#endif /* CONFIG_CBE_RAS */ + .globl hmi_exception_early hmi_exception_early: EXCEPTION_PROLOG_1(PACA_EXGEN, NOTEST, 0xe60)