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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:43:32 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:43:32 +0000
commitf530fbb7a18f2794e4178dfb7cd07719b9586147 (patch)
tree3f704b17427743e26452771cf7da2ed110346ddd /arch/riscv/kernel
parentAdding debian version 4.19.260-1. (diff)
downloadlinux-f530fbb7a18f2794e4178dfb7cd07719b9586147.tar.xz
linux-f530fbb7a18f2794e4178dfb7cd07719b9586147.zip
Merging upstream version 4.19.269.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/riscv/kernel')
-rw-r--r--arch/riscv/kernel/process.c2
-rw-r--r--arch/riscv/kernel/sys_riscv.c3
-rw-r--r--arch/riscv/kernel/vdso/Makefile3
-rw-r--r--arch/riscv/kernel/vdso/vdso.lds.S2
4 files changed, 7 insertions, 3 deletions
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index d7c6ca7c9..641801080 100644
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -104,6 +104,8 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
{
struct pt_regs *childregs = task_pt_regs(p);
+ memset(&p->thread.s, 0, sizeof(p->thread.s));
+
/* p->thread holds context to be restored by __switch_to() */
if (unlikely(p->flags & PF_KTHREAD)) {
/* Kernel thread */
diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c
index 516aaa19d..3a9d42e66 100644
--- a/arch/riscv/kernel/sys_riscv.c
+++ b/arch/riscv/kernel/sys_riscv.c
@@ -26,9 +26,6 @@ static long riscv_sys_mmap(unsigned long addr, unsigned long len,
if (unlikely(offset & (~PAGE_MASK >> page_shift_offset)))
return -EINVAL;
- if (unlikely((prot & PROT_WRITE) && !(prot & PROT_READ)))
- return -EINVAL;
-
return ksys_mmap_pgoff(addr, len, prot, flags, fd,
offset >> (PAGE_SHIFT - page_shift_offset));
}
diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile
index 1dd134fc0..ba833b790 100644
--- a/arch/riscv/kernel/vdso/Makefile
+++ b/arch/riscv/kernel/vdso/Makefile
@@ -17,6 +17,9 @@ obj-vdso := $(addprefix $(obj)/, $(obj-vdso))
obj-y += vdso.o vdso-syms.o
CPPFLAGS_vdso.lds += -P -C -U$(ARCH)
+ifneq ($(filter vgettimeofday, $(vdso-syms)),)
+CPPFLAGS_vdso.lds += -DHAS_VGETTIMEOFDAY
+endif
# Disable gcov profiling for VDSO code
GCOV_PROFILE := n
diff --git a/arch/riscv/kernel/vdso/vdso.lds.S b/arch/riscv/kernel/vdso/vdso.lds.S
index cd1d47e07..8910712f6 100644
--- a/arch/riscv/kernel/vdso/vdso.lds.S
+++ b/arch/riscv/kernel/vdso/vdso.lds.S
@@ -70,9 +70,11 @@ VERSION
LINUX_4.15 {
global:
__vdso_rt_sigreturn;
+#ifdef HAS_VGETTIMEOFDAY
__vdso_gettimeofday;
__vdso_clock_gettime;
__vdso_clock_getres;
+#endif
__vdso_getcpu;
__vdso_flush_icache;
local: *;