linux-kernel - Re: hppa64-linux-ld: mm/hugetlb.o(.text+0x50dc): cannot reach printk

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Date:   Mon, 25 Jan 2021 22:13:20 +0100
From:   Helge Deller <deller@....de>
To:     John David Anglin <dave.anglin@...l.net>
Cc:     Nick Desaulniers <ndesaulniers@...gle.com>,
        James Bottomley <James.Bottomley@...senpartnership.com>,
        linux-parisc@...r.kernel.org, kbuild-all@...ts.01.org,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        kernel test robot <lkp@...el.com>
Subject: Re: hppa64-linux-ld: mm/hugetlb.o(.text+0x50dc): cannot reach printk

On 1/25/21 10:08 PM, John David Anglin wrote:
> I would suggest the following for this hunk:
>
> +    ldil    L%intr_restore, %r2
> +    BL    preempt_schedule_irq
> +    ldo     R%intr_restore(%r2), %r2
>
>     ldil    L%intr_restore, %r1
>     b,l    preempt_schedule_irq,%r2
>     ldo     R%intr_restore(%r1), %r2
>
> On PA 2.0 hardware that gives a 22-bit call.

"BL" is already using "b,l", see #define in arch/parisc/include/asm/assembly.h

The 22-bit weren't sufficient, that's why I changed it too.

Helge