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Date: Thu, 6 Sep 2018 17:28:24 +0200 From: Arnd Bergmann <arnd@...db.de> To: Firoz Khan <firoz.khan@...aro.org> Cc: David Miller <davem@...emloft.net>, sparclinux <sparclinux@...r.kernel.org>, gregkh <gregkh@...uxfoundation.org>, Philippe Ombredanne <pombredanne@...b.com>, Thomas Gleixner <tglx@...utronix.de>, Kate Stewart <kstewart@...uxfoundation.org>, y2038 Mailman List <y2038@...ts.linaro.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, linux-arch <linux-arch@...r.kernel.org>, Deepa Dinamani <deepa.kernel@...il.com>, Marcin Juszkiewicz <marcin.juszkiewicz@...aro.org> Subject: Re: [PATCH 1/4] sparc: Move __IGNORE* entries to non uapi header On Tue, Sep 4, 2018 at 6:42 AM Firoz Khan <firoz.khan@...aro.org> wrote: > +++ b/arch/sparc/include/uapi/asm/unistd.h > @@ -15,12 +15,6 @@ > #ifndef _UAPI_SPARC_UNISTD_H > #define _UAPI_SPARC_UNISTD_H > > -#ifndef __32bit_syscall_numbers__ > -#ifndef __arch64__ > -#define __32bit_syscall_numbers__ > -#endif > -#endif This is certainly required in the uapi header as of this patch, without it all the numbers are wrong when you include the file from user space. I suppose it can be removed later once the header is replaced with the two generated versions, > -/* Bitmask values returned from kern_features system call. */ > -#define KERN_FEATURE_MIXED_MODE_STACK 0x00000001 I'm fairly sure this also needs to remain in the uapi/asm/unistd.h header as a start, so that user space can call the sys_kern_features() system call and interpret its result when only the first patch is applied. > -#ifdef __32bit_syscall_numbers__ > -/* Sparc 32-bit only has the "setresuid32", "getresuid32" variants, > - * it never had the plain ones and there is no value to adding those > - * old versions into the syscall table. > - */ > -#define __IGNORE_setresuid > -#define __IGNORE_getresuid > -#define __IGNORE_setresgid > -#define __IGNORE_getresgid > -#endif > - > -/* Sparc doesn't have protection keys. */ > -#define __IGNORE_pkey_mprotect > -#define __IGNORE_pkey_alloc > -#define __IGNORE_pkey_free > - This part is fine. Arnd
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