From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp04.au.ibm.com (e23smtp04.au.ibm.com [202.81.31.146]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e23smtp04.au.ibm.com", Issuer "GeoTrust SSL CA" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 001592C010E for ; Thu, 25 Apr 2013 18:25:02 +1000 (EST) Received: from /spool/local by e23smtp04.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 25 Apr 2013 18:12:59 +1000 Received: from d23relay05.au.ibm.com (d23relay05.au.ibm.com [9.190.235.152]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id E8CE8357804A for ; Thu, 25 Apr 2013 18:24:51 +1000 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay05.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r3P8B6SW25428202 for ; Thu, 25 Apr 2013 18:11:06 +1000 Received: from d23av01.au.ibm.com (loopback [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r3P8Oo2W018681 for ; Thu, 25 Apr 2013 18:24:51 +1000 Message-ID: <5178E849.4090202@linux.vnet.ibm.com> Date: Thu, 25 Apr 2013 16:24:41 +0800 From: Mike Qiu MIME-Version: 1.0 To: Chen Gang Subject: Re: [PATCH] PowerPC: kernel: compiling issue, make additional room in exception vector area References: <5177965D.9090406@linux.vnet.ibm.com> <20130424083142.GB26834@concordia> <51779941.8080403@linux.vnet.ibm.com> <30651.1366799858@ale.ozlabs.ibm.com> <1366807638.5911.2.camel@localhost> <5178816D.3000309@asianux.com> <5178ABA2.4030109@linux.vnet.ibm.com> <5178E6C3.4060603@asianux.com> <5178E775.4030409@asianux.com> In-Reply-To: <5178E775.4030409@asianux.com> Content-Type: text/plain; charset=UTF-8; format=flowed Cc: sfr@canb.auug.org.au, Michael Neuling , matt@ozlabs.org, linux-kernel@vger.kernel.org, paulus@samba.org, "Aneesh Kumar K.V" , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 于 2013/4/25 16:21, Chen Gang 写道: > Hello Mike: > > Please try this patch, at least it can pass compiling with the config > file which you provided under my cross-compiling envrionments. > > I do not give a running test now, so better to try to run the new kernel > with this patch. OK, I will use your patch, and I will send out the result later. Thanks Mike > Thanks. > > On 2013年04月25日 16:18, Chen Gang wrote: >> When CONFIG_KVM_BOOK3S_64_PR is enabled, >> MASKABLE_EXCEPTION_PSERIES(0x900 ...) will includes __KVMTEST, it will >> exceed 0x980 which STD_EXCEPTION_HV(0x980 ...) will use, it will cause >> compiling issue. >> >> The related errors: >> arch/powerpc/kernel/exceptions-64s.S: Assembler messages: >> arch/powerpc/kernel/exceptions-64s.S:258: Error: attempt to move .org backwards >> make[1]: *** [arch/powerpc/kernel/head_64.o] Error 1 >> >> >> Signed-off-by: Chen Gang >> --- >> arch/powerpc/include/asm/kvm_asm.h | 2 +- >> arch/powerpc/kernel/exceptions-64s.S | 6 +++--- >> 2 files changed, 4 insertions(+), 4 deletions(-) >> >> diff --git a/arch/powerpc/include/asm/kvm_asm.h b/arch/powerpc/include/asm/kvm_asm.h >> index b9dd382..2c65bae 100644 >> --- a/arch/powerpc/include/asm/kvm_asm.h >> +++ b/arch/powerpc/include/asm/kvm_asm.h >> @@ -86,7 +86,7 @@ >> #define BOOK3S_INTERRUPT_PROGRAM 0x700 >> #define BOOK3S_INTERRUPT_FP_UNAVAIL 0x800 >> #define BOOK3S_INTERRUPT_DECREMENTER 0x900 >> -#define BOOK3S_INTERRUPT_HV_DECREMENTER 0x980 >> +#define BOOK3S_INTERRUPT_HV_DECREMENTER 0x988 >> #define BOOK3S_INTERRUPT_SYSCALL 0xc00 >> #define BOOK3S_INTERRUPT_TRACE 0xd00 >> #define BOOK3S_INTERRUPT_H_DATA_STORAGE 0xe00 >> diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S >> index e789ee7..bb0e677 100644 >> --- a/arch/powerpc/kernel/exceptions-64s.S >> +++ b/arch/powerpc/kernel/exceptions-64s.S >> @@ -255,7 +255,7 @@ hardware_interrupt_hv: >> KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0x800) >> >> MASKABLE_EXCEPTION_PSERIES(0x900, 0x900, decrementer) >> - STD_EXCEPTION_HV(0x980, 0x982, hdecrementer) >> + STD_EXCEPTION_HV(0x988, 0x982, hdecrementer) >> >> MASKABLE_EXCEPTION_PSERIES(0xa00, 0xa00, doorbell_super) >> KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0xa00) >> @@ -698,7 +698,7 @@ machine_check_common: >> >> STD_EXCEPTION_COMMON_ASYNC(0x500, hardware_interrupt, do_IRQ) >> STD_EXCEPTION_COMMON_ASYNC(0x900, decrementer, .timer_interrupt) >> - STD_EXCEPTION_COMMON(0x980, hdecrementer, .hdec_interrupt) >> + STD_EXCEPTION_COMMON(0x988, hdecrementer, .hdec_interrupt) >> #ifdef CONFIG_PPC_DOORBELL >> STD_EXCEPTION_COMMON_ASYNC(0xa00, doorbell_super, .doorbell_exception) >> #else >> @@ -802,7 +802,7 @@ hardware_interrupt_relon_hv: >> STD_RELON_EXCEPTION_PSERIES(0x4700, 0x700, program_check) >> STD_RELON_EXCEPTION_PSERIES(0x4800, 0x800, fp_unavailable) >> MASKABLE_RELON_EXCEPTION_PSERIES(0x4900, 0x900, decrementer) >> - STD_RELON_EXCEPTION_HV(0x4980, 0x982, hdecrementer) >> + STD_RELON_EXCEPTION_HV(0x4988, 0x982, hdecrementer) >> MASKABLE_RELON_EXCEPTION_PSERIES(0x4a00, 0xa00, doorbell_super) >> STD_RELON_EXCEPTION_PSERIES(0x4b00, 0xb00, trap_0b) >> >> >