linux-kernel - Re: [PATCH] riscv/efi_stub: Fix get_boot_hartid_from

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Date:   Mon, 14 Feb 2022 10:33:12 +0100
From:   Andreas Schwab <schwab@...ux-m68k.org>
To:     Heinrich Schuchardt <xypron.glpk@....de>
Cc:     Ard Biesheuvel <ardb@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Atish Patra <atishp@...shpatra.org>, linux-efi@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Anup Patel <apatel@...tanamicro.com>, stable@...r.kernel.org,
        Sunil V L <sunilvl@...tanamicro.com>
Subject: Re: [PATCH] riscv/efi_stub: Fix get_boot_hartid_from_fdt() return
 value

On Feb 14 2022, Heinrich Schuchardt wrote:

> On 2/14/22 10:12, Andreas Schwab wrote:
>> On Jan 28 2022, Sunil V L wrote:
>>
>>> diff --git a/drivers/firmware/efi/libstub/riscv-stub.c b/drivers/firmware/efi/libstub/riscv-stub.c
>>> index 380e4e251399..9c460843442f 100644
>>> --- a/drivers/firmware/efi/libstub/riscv-stub.c
>>> +++ b/drivers/firmware/efi/libstub/riscv-stub.c
>>> @@ -25,7 +25,7 @@ typedef void __noreturn (*jump_kernel_func)(unsigned int, unsigned long);
>>>
>>>   static u32 hartid;
>>>
>>> -static u32 get_boot_hartid_from_fdt(void)
>>> +static int get_boot_hartid_from_fdt(void)
>>
>> I think the function should be renamed, now that it no longer returns
>> the hart ID, but initializes a static variable as a side effect.  Thus
>> it no longer "gets", but "sets".
>>
>
> set_boot_hartid() implies that the caller can change the boot hart ID.
> As this is not a case this name obviously would be a misnomer.

Then I guess a different, more fitting name needs to be found.

-- 
Andreas Schwab, schwab@...ux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."