From: Christophe Leroy <christophe.leroy@c-s.fr> To: Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Michael Ellerman <mpe@ellerman.id.au>, nathanl@linux.ibm.com, arnd@arndb.de, tglx@linutronix.de, vincenzo.frascino@arm.com, luto@kernel.org Cc: x86@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org Subject: [RFC PATCH v4 01/11] powerpc/64: Don't provide time functions in compat VDSO32 Date: Thu, 16 Jan 2020 17:58:25 +0000 (UTC) Message-ID: <ea5531da61c0ede78226b4f6f0ee595be25c4309.1579196675.git.christophe.leroy@c-s.fr> (raw) In-Reply-To: <cover.1579196675.git.christophe.leroy@c-s.fr> In order to allow use of generic C VDSO, remove time functions from the 32 bits VDSO on PPC64. This (temporary) removal is needed because powerpc kernel C headers are not prepared for building 32 bits code on PPC64. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> --- arch/powerpc/kernel/vdso32/Makefile | 3 ++- arch/powerpc/kernel/vdso32/vdso32.lds.S | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile index 06f54d947057..738d52105392 100644 --- a/arch/powerpc/kernel/vdso32/Makefile +++ b/arch/powerpc/kernel/vdso32/Makefile @@ -3,7 +3,8 @@ # List of files in the vdso, has to be asm only for now obj-vdso32-$(CONFIG_PPC64) = getcpu.o -obj-vdso32 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o \ +obj-vdso32-$(CONFIG_PPC32) = gettimeofday.o +obj-vdso32 = sigtramp.o datapage.o cacheflush.o note.o \ $(obj-vdso32-y) # Build rules diff --git a/arch/powerpc/kernel/vdso32/vdso32.lds.S b/arch/powerpc/kernel/vdso32/vdso32.lds.S index 00c025ba4a92..9400b182e163 100644 --- a/arch/powerpc/kernel/vdso32/vdso32.lds.S +++ b/arch/powerpc/kernel/vdso32/vdso32.lds.S @@ -144,7 +144,7 @@ VERSION __kernel_datapage_offset; __kernel_get_syscall_map; -#ifndef CONFIG_PPC_BOOK3S_601 +#if defined(CONFIG_PPC32) && !defined(CONFIG_PPC_BOOK3S_601) __kernel_gettimeofday; __kernel_clock_gettime; __kernel_clock_getres; -- 2.13.3
next prev parent reply index Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-01-16 17:58 [RFC PATCH v4 00/11] powerpc: switch VDSO to C implementation Christophe Leroy 2020-01-16 17:58 ` Christophe Leroy [this message] 2020-01-16 17:58 ` [RFC PATCH v4 02/11] powerpc/vdso: Switch VDSO to generic " Christophe Leroy 2020-01-16 17:58 ` [RFC PATCH v4 03/11] lib: vdso: only read hrtimer_res when needed in __cvdso_clock_getres() Christophe Leroy 2020-01-16 17:58 ` [RFC PATCH v4 04/11] powerpc/vdso: simplify __get_datapage() Christophe Leroy 2020-01-16 17:58 ` [RFC PATCH v4 05/11] lib: vdso: allow arches to provide vdso data pointer Christophe Leroy 2020-01-16 17:58 ` [RFC PATCH v4 06/11] powerpc/vdso: provide inline alternative to __get_datapage() Christophe Leroy 2020-01-16 17:58 ` [RFC PATCH v4 07/11] powerpc/vdso: provide vdso data pointer from the ASM caller Christophe Leroy 2020-01-16 17:58 ` [RFC PATCH v4 08/11] lib: vdso: allow fixed clock mode Christophe Leroy 2020-01-16 20:13 ` Thomas Gleixner 2020-01-16 20:19 ` Andy Lutomirski 2020-01-16 21:07 ` Thomas Gleixner 2020-01-16 17:58 ` [RFC PATCH v4 09/11] powerpc/vdso: override __arch_vdso_capable() Christophe Leroy 2020-01-16 17:58 ` [RFC PATCH v4 10/11] lib: vdso: Allow arches to override the ns shift operation Christophe Leroy 2020-01-16 19:47 ` Andy Lutomirski 2020-01-16 19:57 ` Thomas Gleixner 2020-01-16 20:20 ` Andy Lutomirski 2020-01-29 7:14 ` Thomas Gleixner 2020-01-29 7:26 ` Christophe Leroy 2020-01-16 17:58 ` [RFC PATCH v4 11/11] powerpc/32: provide vdso_shift_ns() Christophe Leroy 2020-01-17 8:58 ` [RFC PATCH v4 00/11] powerpc: switch VDSO to C implementation Segher Boessenkool 2020-01-17 9:26 ` Christophe Leroy 2020-01-20 14:56 ` Christophe Leroy 2020-01-20 15:19 ` Segher Boessenkool 2020-01-20 17:08 ` Christophe Leroy 2020-01-20 17:27 ` Segher Boessenkool
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