From: Tony Lindgren <tony@atomide.com>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org,
linux-renesas-soc@vger.kernel.org, linux@armlinux.org.uk,
linux-omap@vger.kernel.org, kvm@vger.kernel.org,
kvmarm@lists.cs.columbia.edu, krzk@kernel.org,
jason@lakedaemon.net, arm@kernel.org, andrew@lunn.ch,
gregory.clement@free-electrons.com,
sebastian.hesselbarth@gmail.com, baohua@kernel.org,
horms@verge.net.au, magnus.damm@gmail.com, vireshk@kernel.org,
shiraz.linux.kernel@gmail.com, patrice.chotard@st.com,
nico@linaro.org, dave.martin@arm.com, marc.zyngier@arm.com
Subject: Re: [PATCH 05/15] ARM: head: use PC-relative insn sequence for __smp_alt
Date: Fri, 11 Aug 2017 08:13:46 -0700 [thread overview]
Message-ID: <20170811151346.GR8569@atomide.com> (raw)
In-Reply-To: <20170805205222.19868-6-ard.biesheuvel@linaro.org>
* Ard Biesheuvel <ard.biesheuvel@linaro.org> [170805 13:54]:
> Replace the open coded PC relative offset calculations with a pair
> of adr_l invocations.
>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> ---
> arch/arm/kernel/head.S | 12 ++----------
> 1 file changed, 2 insertions(+), 10 deletions(-)
>
> diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
> index 6e9df3663a57..aed341e0f530 100644
> --- a/arch/arm/kernel/head.S
> +++ b/arch/arm/kernel/head.S
> @@ -523,19 +523,11 @@ ARM_BE8(rev r0, r0) @ byteswap if big endian
> retne lr
>
> __fixup_smp_on_up:
> - adr r0, 1f
> - ldmia r0, {r3 - r5}
> - sub r3, r0, r3
> - add r4, r4, r3
> - add r5, r5, r3
> + adr_l r4, __smpalt_begin
> + adr_l r5, __smpalt_end
> b __do_fixup_smp_on_up
> ENDPROC(__fixup_smp)
>
> - .align
> -1: .word .
> - .word __smpalt_begin
> - .word __smpalt_end
> -
> .pushsection .data
> .globl smp_on_up
> smp_on_up:
Ard, it's this one that cause boot to fail on omap3.
The rest of your set works for me with just this one
left out.
Regards,
Tony
next prev parent reply other threads:[~2017-08-11 15:13 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-05 20:52 [PATCH 00/15] ARM: add and use convenience macros for PC relative references Ard Biesheuvel
2017-08-05 20:52 ` [PATCH 01/15] ARM: assembler: introduce adr_l, ldr_l and str_l macros Ard Biesheuvel
2017-08-08 15:10 ` Nicolas Pitre
2017-08-08 15:19 ` Ard Biesheuvel
2017-08-08 15:39 ` Nicolas Pitre
2017-08-05 20:52 ` [PATCH 02/15] ARM: head-common.S: use PC-relative insn sequence for __proc_info Ard Biesheuvel
2017-08-05 20:52 ` [PATCH 03/15] ARM: head-common.S: use PC-relative insn sequence for __turn_mmu_on Ard Biesheuvel
2017-08-05 20:52 ` [PATCH 04/15] ARM: head.S: use PC-relative insn sequence for secondary_data Ard Biesheuvel
2017-08-05 20:52 ` [PATCH 05/15] ARM: head: use PC-relative insn sequence for __smp_alt Ard Biesheuvel
2017-08-11 15:13 ` Tony Lindgren [this message]
2017-08-11 19:37 ` Ard Biesheuvel
2017-08-11 19:58 ` Nicolas Pitre
2017-08-11 20:01 ` Ard Biesheuvel
2017-08-11 20:06 ` Nicolas Pitre
2017-08-11 20:07 ` Ard Biesheuvel
2017-08-11 20:12 ` Nicolas Pitre
2017-08-14 16:19 ` Tony Lindgren
2017-08-14 16:20 ` Ard Biesheuvel
2017-08-05 20:52 ` [PATCH 06/15] ARM: sleep.S: use PC-relative insn sequence for sleep_save_sp/mpidr_hash Ard Biesheuvel
2017-08-05 20:52 ` [PATCH 07/15] ARM: head.S: use PC-relative insn sequences for __fixup_pv_table Ard Biesheuvel
2017-08-05 20:52 ` [PATCH 08/15] ARM: head.S: use PC relative insn sequence to calculate PHYS_OFFSET Ard Biesheuvel
2017-08-05 20:52 ` [PATCH 09/15] ARM: kvm: replace open coded VA->PA calculations with adr_l call Ard Biesheuvel
2017-08-05 20:52 ` [PATCH 10/15] arm-soc: exynos: replace open coded VA->PA conversions Ard Biesheuvel
2017-08-05 20:52 ` [PATCH 11/15] arm-soc: mvebu: replace open coded VA->PA conversion Ard Biesheuvel
2017-08-05 20:52 ` [PATCH 12/15] arm-soc: omap: replace open coded VA->PA calculations Ard Biesheuvel
2017-08-09 19:05 ` Tony Lindgren
2017-08-09 19:22 ` Ard Biesheuvel
2017-08-09 21:05 ` Tony Lindgren
2017-08-10 9:22 ` Ard Biesheuvel
2017-08-10 14:03 ` Tony Lindgren
2017-08-11 13:48 ` Ard Biesheuvel
2017-08-11 15:00 ` Tony Lindgren
2017-08-05 20:52 ` [PATCH 13/15] arm-soc: various: replace open coded VA->PA calculation of pen_release Ard Biesheuvel
2017-08-05 20:52 ` [PATCH 14/15] arm-soc: shmobile: replace open coded VA->PA calculation Ard Biesheuvel
2017-08-05 20:52 ` [PATCH 15/15] ARM: l2c: " Ard Biesheuvel
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