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Subject: Re: [PATCH] uapi: fix asm/bootparam.h userspace compilation errors
To:     "Dmitry V. Levin" <ldv@altlinux.org>
References: <20180405043210.GA13254@altlinux.org>
Cc:     Thomas Gleixner <tglx@linutronix.de>, x86@kernel.org,
        linux-kernel@vger.kernel.org
From:   Jan Kiszka <jan.kiszka@siemens.com>
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Date:   Thu, 5 Apr 2018 09:25:26 +0200
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On 2018-04-05 06:32, Dmitry V. Levin wrote:
> Consistently use types provided by <linux/types.h> to fix the following
> asm/bootparam.h userspace compilation errors:
> 
> /usr/include/asm/bootparam.h:140:2: error: unknown type name 'u16'
>   u16 version;
> /usr/include/asm/bootparam.h:141:2: error: unknown type name 'u16'
>   u16 compatible_version;
> /usr/include/asm/bootparam.h:142:2: error: unknown type name 'u16'
>   u16 pm_timer_address;
> /usr/include/asm/bootparam.h:143:2: error: unknown type name 'u16'
>   u16 num_cpus;
> /usr/include/asm/bootparam.h:144:2: error: unknown type name 'u64'
>   u64 pci_mmconfig_base;
> /usr/include/asm/bootparam.h:145:2: error: unknown type name 'u32'
>   u32 tsc_khz;
> /usr/include/asm/bootparam.h:146:2: error: unknown type name 'u32'
>   u32 apic_khz;
> /usr/include/asm/bootparam.h:147:2: error: unknown type name 'u8'
>   u8 standard_ioapic;
> /usr/include/asm/bootparam.h:148:2: error: unknown type name 'u8'
>   u8 cpu_ids[255];
> 
> Fixes: 4a362601baa6 ("x86/jailhouse: Add infrastructure for running in non-root cell")
> Cc: <stable@vger.kernel.org> # v4.16
> Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
> ---
>  arch/x86/include/uapi/asm/bootparam.h | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h
> index aebf60357758..a06cbf019744 100644
> --- a/arch/x86/include/uapi/asm/bootparam.h
> +++ b/arch/x86/include/uapi/asm/bootparam.h
> @@ -137,15 +137,15 @@ struct boot_e820_entry {
>   * setup data structure.
>   */
>  struct jailhouse_setup_data {
> -	u16	version;
> -	u16	compatible_version;
> -	u16	pm_timer_address;
> -	u16	num_cpus;
> -	u64	pci_mmconfig_base;
> -	u32	tsc_khz;
> -	u32	apic_khz;
> -	u8	standard_ioapic;
> -	u8	cpu_ids[255];
> +	__u16	version;
> +	__u16	compatible_version;
> +	__u16	pm_timer_address;
> +	__u16	num_cpus;
> +	__u64	pci_mmconfig_base;
> +	__u32	tsc_khz;
> +	__u32	apic_khz;
> +	__u8	standard_ioapic;
> +	__u8	cpu_ids[255];
>  } __attribute__((packed));
>  
>  /* The so-called "zeropage" */
> 

Acked-by: Jan Kiszka <jan.kiszka@siemens.com>

But how did you trigger this?

Jan

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