linux-kernel - Re: [v2] powerpc/8xx: hide itlbie and dtlbie symbols

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Message-Id: <445RMq2kjVz9sBF@ozlabs.org>
Date:   Fri, 22 Feb 2019 20:47:34 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@....fr>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [v2] powerpc/8xx: hide itlbie and dtlbie symbols

On Thu, 2018-12-13 at 08:08:11 UTC, Christophe Leroy wrote:
> When disassembling InstructionTLBError we get the following messy code:
> 
> c000138c:       7d 84 63 78     mr      r4,r12
> c0001390:       75 25 58 00     andis.  r5,r9,22528
> c0001394:       75 2a 40 00     andis.  r10,r9,16384
> c0001398:       41 a2 00 08     beq     c00013a0 <itlbie>
> c000139c:       7c 00 22 64     tlbie   r4,r0
> 
> c00013a0 <itlbie>:
> c00013a0:       39 40 04 01     li      r10,1025
> c00013a4:       91 4b 00 b0     stw     r10,176(r11)
> c00013a8:       39 40 10 32     li      r10,4146
> c00013ac:       48 00 cc 59     bl      c000e004 <transfer_to_handler>
> 
> For a cleaner code dump, this patch replaces itlbie and dtlbie
> symbols by local symbols.
> 
> c000138c:       7d 84 63 78     mr      r4,r12
> c0001390:       75 25 58 00     andis.  r5,r9,22528
> c0001394:       75 2a 40 00     andis.  r10,r9,16384
> c0001398:       41 a2 00 08     beq     c00013a0 <InstructionTLBError+0xa0>
> c000139c:       7c 00 22 64     tlbie   r4,r0
> c00013a0:       39 40 04 01     li      r10,1025
> c00013a4:       91 4b 00 b0     stw     r10,176(r11)
> c00013a8:       39 40 10 32     li      r10,4146
> c00013ac:       48 00 cc 59     bl      c000e004 <transfer_to_handler>
> Signed-off-by: Christophe Leroy <christophe.leroy@....fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/32ceaa6e128556ec67151a16d7c2c045

cheers