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Message-ID: <20170222091508.49ade97f@canb.auug.org.au>
Date: Wed, 22 Feb 2017 09:15:08 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
"H. Peter Anvin" <hpa@...or.com>,
Peter Zijlstra <peterz@...radead.org>,
Michael Ellerman <mpe@...erman.id.au>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
PowerPC <linuxppc-dev@...ts.ozlabs.org>
Cc: linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
Rashmica Gupta <rashmicy@...il.com>,
Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: linux-next: manual merge of the tip tree with the powerpc tree
Hi all,
On Fri, 17 Feb 2017 12:48:43 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Today's linux-next merge of the tip tree got a conflict in:
>
> arch/powerpc/kernel/asm-offsets.c
>
> between commit:
>
> 454656155110 ("powerpc/asm: Use OFFSET macro in asm-offsets.c")
>
> from the powerpc tree and commit:
>
> 8c8b73c4811f ("sched/cputime, powerpc: Prepare accounting structure for cputime flush on tick")
>
> from the tip tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
>
> --
> Cheers,
> Stephen Rothwell
>
> diff --cc arch/powerpc/kernel/asm-offsets.c
> index d918338b54b0,9e8e771f8acb..000000000000
> --- a/arch/powerpc/kernel/asm-offsets.c
> +++ b/arch/powerpc/kernel/asm-offsets.c
> @@@ -208,48 -213,58 +208,48 @@@ int main(void
> #endif /* CONFIG_PPC_BOOK3E */
>
> #ifdef CONFIG_PPC_STD_MMU_64
> - DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
> - DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
> - DEFINE(PACAVMALLOCSLLP, offsetof(struct paca_struct, vmalloc_sllp));
> + OFFSET(PACASLBCACHE, paca_struct, slb_cache);
> + OFFSET(PACASLBCACHEPTR, paca_struct, slb_cache_ptr);
> + OFFSET(PACAVMALLOCSLLP, paca_struct, vmalloc_sllp);
> #ifdef CONFIG_PPC_MM_SLICES
> - DEFINE(MMUPSIZESLLP, offsetof(struct mmu_psize_def, sllp));
> + OFFSET(MMUPSIZESLLP, mmu_psize_def, sllp);
> #else
> - DEFINE(PACACONTEXTSLLP, offsetof(struct paca_struct, mm_ctx_sllp));
> + OFFSET(PACACONTEXTSLLP, paca_struct, mm_ctx_sllp);
> #endif /* CONFIG_PPC_MM_SLICES */
> - DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
> - DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
> - DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb));
> - DEFINE(PACALPPACAPTR, offsetof(struct paca_struct, lppaca_ptr));
> - DEFINE(PACA_SLBSHADOWPTR, offsetof(struct paca_struct, slb_shadow_ptr));
> - DEFINE(SLBSHADOW_STACKVSID,
> - offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].vsid));
> - DEFINE(SLBSHADOW_STACKESID,
> - offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].esid));
> - DEFINE(SLBSHADOW_SAVEAREA, offsetof(struct slb_shadow, save_area));
> - DEFINE(LPPACA_PMCINUSE, offsetof(struct lppaca, pmcregs_in_use));
> - DEFINE(LPPACA_DTLIDX, offsetof(struct lppaca, dtl_idx));
> - DEFINE(LPPACA_YIELDCOUNT, offsetof(struct lppaca, yield_count));
> - DEFINE(PACA_DTL_RIDX, offsetof(struct paca_struct, dtl_ridx));
> + OFFSET(PACA_EXGEN, paca_struct, exgen);
> + OFFSET(PACA_EXMC, paca_struct, exmc);
> + OFFSET(PACA_EXSLB, paca_struct, exslb);
> + OFFSET(PACALPPACAPTR, paca_struct, lppaca_ptr);
> + OFFSET(PACA_SLBSHADOWPTR, paca_struct, slb_shadow_ptr);
> + OFFSET(SLBSHADOW_STACKVSID, slb_shadow, save_area[SLB_NUM_BOLTED - 1].vsid);
> + OFFSET(SLBSHADOW_STACKESID, slb_shadow, save_area[SLB_NUM_BOLTED - 1].esid);
> + OFFSET(SLBSHADOW_SAVEAREA, slb_shadow, save_area);
> + OFFSET(LPPACA_PMCINUSE, lppaca, pmcregs_in_use);
> + OFFSET(LPPACA_DTLIDX, lppaca, dtl_idx);
> + OFFSET(LPPACA_YIELDCOUNT, lppaca, yield_count);
> + OFFSET(PACA_DTL_RIDX, paca_struct, dtl_ridx);
> #endif /* CONFIG_PPC_STD_MMU_64 */
> - DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
> + OFFSET(PACAEMERGSP, paca_struct, emergency_sp);
> #ifdef CONFIG_PPC_BOOK3S_64
> - DEFINE(PACAMCEMERGSP, offsetof(struct paca_struct, mc_emergency_sp));
> - DEFINE(PACA_IN_MCE, offsetof(struct paca_struct, in_mce));
> -#endif
> - DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
> - DEFINE(PACAKEXECSTATE, offsetof(struct paca_struct, kexec_state));
> - DEFINE(PACA_DSCR_DEFAULT, offsetof(struct paca_struct, dscr_default));
> - DEFINE(ACCOUNT_STARTTIME,
> - offsetof(struct paca_struct, accounting.starttime));
> - DEFINE(ACCOUNT_STARTTIME_USER,
> - offsetof(struct paca_struct, accounting.starttime_user));
> - DEFINE(ACCOUNT_USER_TIME,
> - offsetof(struct paca_struct, accounting.utime));
> - DEFINE(ACCOUNT_SYSTEM_TIME,
> - offsetof(struct paca_struct, accounting.stime));
> - DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save));
> - DEFINE(PACA_NAPSTATELOST, offsetof(struct paca_struct, nap_state_lost));
> - DEFINE(PACA_SPRG_VDSO, offsetof(struct paca_struct, sprg_vdso));
> + OFFSET(PACAMCEMERGSP, paca_struct, mc_emergency_sp);
> + OFFSET(PACA_IN_MCE, paca_struct, in_mce);
> +#endif
> + OFFSET(PACAHWCPUID, paca_struct, hw_cpu_id);
> + OFFSET(PACAKEXECSTATE, paca_struct, kexec_state);
> + OFFSET(PACA_DSCR_DEFAULT, paca_struct, dscr_default);
> + OFFSET(ACCOUNT_STARTTIME, paca_struct, accounting.starttime);
> + OFFSET(ACCOUNT_STARTTIME_USER, paca_struct, accounting.starttime_user);
> - OFFSET(ACCOUNT_USER_TIME, paca_struct, accounting.user_time);
> - OFFSET(ACCOUNT_SYSTEM_TIME, paca_struct, accounting.system_time);
> ++ OFFSET(ACCOUNT_USER_TIME, paca_struct, accounting.utime);
> ++ OFFSET(ACCOUNT_SYSTEM_TIME, paca_struct, accounting.stime);
> + OFFSET(PACA_TRAP_SAVE, paca_struct, trap_save);
> + OFFSET(PACA_NAPSTATELOST, paca_struct, nap_state_lost);
> + OFFSET(PACA_SPRG_VDSO, paca_struct, sprg_vdso);
> #else /* CONFIG_PPC64 */
> #ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
> - DEFINE(ACCOUNT_STARTTIME,
> - offsetof(struct thread_info, accounting.starttime));
> - DEFINE(ACCOUNT_STARTTIME_USER,
> - offsetof(struct thread_info, accounting.starttime_user));
> - DEFINE(ACCOUNT_USER_TIME,
> - offsetof(struct thread_info, accounting.utime));
> - DEFINE(ACCOUNT_SYSTEM_TIME,
> - offsetof(struct thread_info, accounting.stime));
> + OFFSET(ACCOUNT_STARTTIME, thread_info, accounting.starttime);
> + OFFSET(ACCOUNT_STARTTIME_USER, thread_info, accounting.starttime_user);
> - OFFSET(ACCOUNT_USER_TIME, thread_info, accounting.user_time);
> - OFFSET(ACCOUNT_SYSTEM_TIME, thread_info, accounting.system_time);
> ++ OFFSET(ACCOUNT_USER_TIME, thread_info, accounting.utime);
> ++ OFFSET(ACCOUNT_SYSTEM_TIME, thread_info, accounting.stime);
> #endif
> #endif /* CONFIG_PPC64 */
>
This is now a conflict between the powerpc tree and Linus' tree.
--
Cheers,
Stephen Rothwell
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