| Message ID | 1470238730-30038-6-git-send-email-ard.biesheuvel@linaro.org |
|---|---|
| State | New |
| Headers | show
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[81.34.118.3]) by smtp.gmail.com with ESMTPSA id uo4sm8291402wjc.36.2016.08.03.08.39.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 03 Aug 2016 08:39:03 -0700 (PDT) From: Ard Biesheuvel <ard.biesheuvel@linaro.org> To: linux-arm-kernel@lists.infradead.org, linux@arm.linux.org.uk, nico@linaro.org, arnd@arndb.de, dave.martin@arm.com Subject: [PATCH 5/8] ARM: head: use PC-relative insn sequence for __smp_alt Date: Wed, 3 Aug 2016 17:38:47 +0200 Message-Id: <1470238730-30038-6-git-send-email-ard.biesheuvel@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1470238730-30038-1-git-send-email-ard.biesheuvel@linaro.org> References: <1470238730-30038-1-git-send-email-ard.biesheuvel@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160803_083926_949554_EBB7B14C X-CRM114-Status: UNSURE ( 9.49 ) X-CRM114-Notice: Please train this message. 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diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 7a14622582de..a9d8f9004dfd 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -522,19 +522,11 @@ 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:
Replace the open coded PC relative offset calculations with 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(-) -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel