From: Christoph Hellwig <hch@lst.de> To: Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Arnd Bergmann <arnd@arndb.de>, Alexander Viro <viro@zeniv.linux.org.uk> Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Subject: [PATCH 4/8] asm-generic: make the set_fs implementation optional Date: Mon, 7 Sep 2020 07:58:21 +0200 [thread overview] Message-ID: <20200907055825.1917151-5-hch@lst.de> (raw) In-Reply-To: <20200907055825.1917151-1-hch@lst.de> Put all the set_fs related code under CONFIG_SET_FS so that asm-generic/uaccess.h can be used for set_fs-less builds. Signed-off-by: Christoph Hellwig <hch@lst.de> --- include/asm-generic/uaccess.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h index b367f339be1a90..45f9872fd74759 100644 --- a/include/asm-generic/uaccess.h +++ b/include/asm-generic/uaccess.h @@ -94,6 +94,7 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n) #define INLINE_COPY_TO_USER #endif /* CONFIG_UACCESS_MEMCPY */ +#ifdef CONFIG_SET_FS #define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) #ifndef KERNEL_DS @@ -116,6 +117,7 @@ static inline void set_fs(mm_segment_t fs) #ifndef uaccess_kernel #define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg) #endif +#endif /* CONFIG_SET_FS */ #define access_ok(addr, size) __access_ok((unsigned long)(addr),(size)) -- 2.28.0
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de> To: Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Arnd Bergmann <arnd@arndb.de>, Alexander Viro <viro@zeniv.linux.org.uk> Cc: linux-arch@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/8] asm-generic: make the set_fs implementation optional Date: Mon, 7 Sep 2020 07:58:21 +0200 [thread overview] Message-ID: <20200907055825.1917151-5-hch@lst.de> (raw) In-Reply-To: <20200907055825.1917151-1-hch@lst.de> Put all the set_fs related code under CONFIG_SET_FS so that asm-generic/uaccess.h can be used for set_fs-less builds. Signed-off-by: Christoph Hellwig <hch@lst.de> --- include/asm-generic/uaccess.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h index b367f339be1a90..45f9872fd74759 100644 --- a/include/asm-generic/uaccess.h +++ b/include/asm-generic/uaccess.h @@ -94,6 +94,7 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n) #define INLINE_COPY_TO_USER #endif /* CONFIG_UACCESS_MEMCPY */ +#ifdef CONFIG_SET_FS #define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) #ifndef KERNEL_DS @@ -116,6 +117,7 @@ static inline void set_fs(mm_segment_t fs) #ifndef uaccess_kernel #define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg) #endif +#endif /* CONFIG_SET_FS */ #define access_ok(addr, size) __access_ok((unsigned long)(addr),(size)) -- 2.28.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2020-09-07 5:58 UTC|newest] Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-07 5:58 remove set_fs for riscv v2 Christoph Hellwig 2020-09-07 5:58 ` Christoph Hellwig 2020-09-07 5:58 ` [PATCH 1/8] uaccess: provide a generic TASK_SIZE_MAX definition Christoph Hellwig 2020-09-07 5:58 ` Christoph Hellwig 2020-09-07 5:58 ` [PATCH 2/8] asm-generic: improve the nommu {get,put}_user handling Christoph Hellwig 2020-09-07 5:58 ` Christoph Hellwig 2020-09-07 5:58 ` [PATCH 3/8] asm-generic: add nommu implementations of __{get,put}_kernel_nofault Christoph Hellwig 2020-09-07 5:58 ` [PATCH 3/8] asm-generic: add nommu implementations of __{get, put}_kernel_nofault Christoph Hellwig 2020-09-07 5:58 ` Christoph Hellwig [this message] 2020-09-07 5:58 ` [PATCH 4/8] asm-generic: make the set_fs implementation optional Christoph Hellwig 2020-09-07 5:58 ` [PATCH 5/8] riscv: use memcpy based uaccess for nommu again Christoph Hellwig 2020-09-07 5:58 ` Christoph Hellwig 2020-09-09 4:59 ` Palmer Dabbelt 2020-09-09 4:59 ` Palmer Dabbelt 2020-09-07 5:58 ` [PATCH 6/8] riscv: refactor __get_user and __put_user Christoph Hellwig 2020-09-07 5:58 ` Christoph Hellwig 2020-09-09 4:59 ` Palmer Dabbelt 2020-09-09 4:59 ` Palmer Dabbelt 2020-09-07 5:58 ` [PATCH 7/8] riscv: implement __get_kernel_nofault and __put_user_nofault Christoph Hellwig 2020-09-07 5:58 ` Christoph Hellwig 2020-09-09 4:59 ` Palmer Dabbelt 2020-09-09 4:59 ` Palmer Dabbelt 2020-09-07 5:58 ` [PATCH 8/8] riscv: remove address space overrides using set_fs() Christoph Hellwig 2020-09-07 5:58 ` Christoph Hellwig 2020-09-09 4:59 ` Palmer Dabbelt 2020-09-09 4:59 ` Palmer Dabbelt 2020-09-09 4:59 ` remove set_fs for riscv v2 Palmer Dabbelt 2020-09-09 4:59 ` Palmer Dabbelt 2020-09-09 6:55 ` Christoph Hellwig 2020-09-09 6:55 ` Christoph Hellwig 2020-09-09 20:38 ` Palmer Dabbelt 2020-09-09 20:38 ` Palmer Dabbelt 2020-09-22 4:37 ` Christoph Hellwig 2020-09-22 4:37 ` Christoph Hellwig 2020-09-26 17:50 ` Palmer Dabbelt 2020-09-26 17:50 ` Palmer Dabbelt 2020-09-26 19:13 ` Arnd Bergmann 2020-09-26 19:13 ` Arnd Bergmann 2020-10-04 17:27 ` Palmer Dabbelt 2020-10-04 17:27 ` Palmer Dabbelt 2020-09-28 12:49 ` Christoph Hellwig 2020-09-28 12:49 ` Christoph Hellwig 2020-09-28 16:45 ` Palmer Dabbelt 2020-09-28 16:45 ` Palmer Dabbelt 2020-09-29 18:03 ` Christoph Hellwig 2020-09-29 18:03 ` Christoph Hellwig 2020-09-26 6:58 ` Christoph Hellwig 2020-09-26 6:58 ` Christoph Hellwig
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