diff options
Diffstat (limited to 'arch/powerpc/kernel/vdso')
| -rw-r--r-- | arch/powerpc/kernel/vdso/Makefile | 10 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso/cacheflush.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso/datapage.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso/getrandom.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso/gettimeofday.S | 5 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso/vdso32.lds.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso/vdso64.lds.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso/vgetrandom.c | 4 |
8 files changed, 16 insertions, 15 deletions
diff --git a/arch/powerpc/kernel/vdso/Makefile b/arch/powerpc/kernel/vdso/Makefile index 31ca5a547004..0e3ed6fb199f 100644 --- a/arch/powerpc/kernel/vdso/Makefile +++ b/arch/powerpc/kernel/vdso/Makefile @@ -50,14 +50,18 @@ ldflags-$(CONFIG_LD_IS_LLD) += $(call cc-option,--ld-path=$(LD),-fuse-ld=lld) ldflags-$(CONFIG_LD_ORPHAN_WARN) += -Wl,--orphan-handling=$(CONFIG_LD_ORPHAN_WARN_LEVEL) # Filter flags that clang will warn are unused for linking -ldflags-y += $(filter-out $(CC_AUTO_VAR_INIT_ZERO_ENABLER) $(CC_FLAGS_FTRACE) -Wa$(comma)%, $(KBUILD_CFLAGS)) +ldflags-y += $(filter-out $(CC_AUTO_VAR_INIT_ZERO_ENABLER) $(CC_FLAGS_FTRACE) -Wa$(comma)%, $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS)) CC32FLAGS := -m32 CC32FLAGSREMOVE := -mcmodel=medium -mabi=elfv1 -mabi=elfv2 -mcall-aixdesc - # This flag is supported by clang for 64-bit but not 32-bit so it will cause - # an unused command line flag warning for this file. ifdef CONFIG_CC_IS_CLANG +# This flag is supported by clang for 64-bit but not 32-bit so it will cause +# an unused command line flag warning for this file. CC32FLAGSREMOVE += -fno-stack-clash-protection +# -mstack-protector-guard values from the 64-bit build are not valid for the +# 32-bit one. clang validates the values passed to these arguments during +# parsing, even when -fno-stack-protector is passed afterwards. +CC32FLAGSREMOVE += -mstack-protector-guard% endif LD32FLAGS := -Wl,-soname=linux-vdso32.so.1 AS32FLAGS := -D__VDSO32__ diff --git a/arch/powerpc/kernel/vdso/cacheflush.S b/arch/powerpc/kernel/vdso/cacheflush.S index 3b2479bd2f9a..0085ae464dac 100644 --- a/arch/powerpc/kernel/vdso/cacheflush.S +++ b/arch/powerpc/kernel/vdso/cacheflush.S @@ -30,7 +30,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE) #ifdef CONFIG_PPC64 mflr r12 .cfi_register lr,r12 - get_realdatapage r10, r11 + get_datapage r10 mtlr r12 .cfi_restore lr #endif diff --git a/arch/powerpc/kernel/vdso/datapage.S b/arch/powerpc/kernel/vdso/datapage.S index 2b19b6201a33..db8e167f0166 100644 --- a/arch/powerpc/kernel/vdso/datapage.S +++ b/arch/powerpc/kernel/vdso/datapage.S @@ -28,7 +28,7 @@ V_FUNCTION_BEGIN(__kernel_get_syscall_map) mflr r12 .cfi_register lr,r12 mr. r4,r3 - get_realdatapage r3, r11 + get_datapage r3 mtlr r12 #ifdef __powerpc64__ addi r3,r3,CFG_SYSCALL_MAP64 @@ -52,7 +52,7 @@ V_FUNCTION_BEGIN(__kernel_get_tbfreq) .cfi_startproc mflr r12 .cfi_register lr,r12 - get_realdatapage r3, r11 + get_datapage r3 #ifndef __powerpc64__ lwz r4,(CFG_TB_TICKS_PER_SEC + 4)(r3) #endif diff --git a/arch/powerpc/kernel/vdso/getrandom.S b/arch/powerpc/kernel/vdso/getrandom.S index f3bbf931931c..a80d9fb436f7 100644 --- a/arch/powerpc/kernel/vdso/getrandom.S +++ b/arch/powerpc/kernel/vdso/getrandom.S @@ -31,8 +31,6 @@ PPC_STL r2, PPC_MIN_STKFRM + STK_GOT(r1) .cfi_rel_offset r2, PPC_MIN_STKFRM + STK_GOT #endif - get_realdatapage r8, r11 - addi r8, r8, VDSO_RNG_DATA_OFFSET bl CFUNC(DOTSYM(\funct)) PPC_LL r0, PPC_MIN_STKFRM + PPC_LR_STKOFF(r1) #ifdef __powerpc64__ diff --git a/arch/powerpc/kernel/vdso/gettimeofday.S b/arch/powerpc/kernel/vdso/gettimeofday.S index 5540d7021fa2..5333848322ca 100644 --- a/arch/powerpc/kernel/vdso/gettimeofday.S +++ b/arch/powerpc/kernel/vdso/gettimeofday.S @@ -32,11 +32,10 @@ PPC_STL r2, PPC_MIN_STKFRM + STK_GOT(r1) .cfi_rel_offset r2, PPC_MIN_STKFRM + STK_GOT #endif - get_datapage r5 .ifeq \call_time - addi r5, r5, VDSO_DATA_OFFSET + get_datapage r5 VDSO_DATA_OFFSET .else - addi r4, r5, VDSO_DATA_OFFSET + get_datapage r4 VDSO_DATA_OFFSET .endif bl CFUNC(DOTSYM(\funct)) PPC_LL r0, PPC_MIN_STKFRM + PPC_LR_STKOFF(r1) diff --git a/arch/powerpc/kernel/vdso/vdso32.lds.S b/arch/powerpc/kernel/vdso/vdso32.lds.S index 7b41d5d256e8..1a1b0b6d681a 100644 --- a/arch/powerpc/kernel/vdso/vdso32.lds.S +++ b/arch/powerpc/kernel/vdso/vdso32.lds.S @@ -16,7 +16,7 @@ OUTPUT_ARCH(powerpc:common) SECTIONS { - PROVIDE(_vdso_datapage = . - 2 * PAGE_SIZE); + PROVIDE(_vdso_datapage = . - 3 * PAGE_SIZE); . = SIZEOF_HEADERS; .hash : { *(.hash) } :text diff --git a/arch/powerpc/kernel/vdso/vdso64.lds.S b/arch/powerpc/kernel/vdso/vdso64.lds.S index 9481e4b892ed..e21b5506cad6 100644 --- a/arch/powerpc/kernel/vdso/vdso64.lds.S +++ b/arch/powerpc/kernel/vdso/vdso64.lds.S @@ -16,7 +16,7 @@ OUTPUT_ARCH(powerpc:common64) SECTIONS { - PROVIDE(_vdso_datapage = . - 2 * PAGE_SIZE); + PROVIDE(_vdso_datapage = . - 3 * PAGE_SIZE); . = SIZEOF_HEADERS; .hash : { *(.hash) } :text diff --git a/arch/powerpc/kernel/vdso/vgetrandom.c b/arch/powerpc/kernel/vdso/vgetrandom.c index 5f855d45fb7b..cc79b960a541 100644 --- a/arch/powerpc/kernel/vdso/vgetrandom.c +++ b/arch/powerpc/kernel/vdso/vgetrandom.c @@ -8,7 +8,7 @@ #include <linux/types.h> ssize_t __c_kernel_getrandom(void *buffer, size_t len, unsigned int flags, void *opaque_state, - size_t opaque_len, const struct vdso_rng_data *vd) + size_t opaque_len) { - return __cvdso_getrandom_data(vd, buffer, len, flags, opaque_state, opaque_len); + return __cvdso_getrandom(buffer, len, flags, opaque_state, opaque_len); } |