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authorLinus Torvalds <torvalds@linux-foundation.org>2022-04-01 19:57:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-04-01 19:57:03 -0700
commit88e6c0207623874922712e162e25d9dafd39661e (patch)
treed12cebdbb22ba1deff3d664543e87b45d821646e /arch
parenta4251ab9896cefd75926b11c45aa477f8464cdec (diff)
parent61e02cdb6ac68a84f1bb95026632d63677f26202 (diff)
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs updates from Al Viro: "Assorted bits and pieces" * 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: aio: drop needless assignment in aio_read() clean overflow checks in count_mounts() a bit seq_file: fix NULL pointer arithmetic warning uml/x86: use x86 load_unaligned_zeropad() asm/user.h: killed unused macros constify struct path argument of finish_automount()/do_add_mount() fs: Remove FIXME comment in generic_write_checks()
Diffstat (limited to 'arch')
-rw-r--r--arch/alpha/include/asm/user.h6
-rw-r--r--arch/arm/include/asm/user.h4
-rw-r--r--arch/h8300/include/asm/user.h4
-rw-r--r--arch/ia64/include/asm/user.h6
-rw-r--r--arch/m68k/include/asm/user.h4
-rw-r--r--arch/powerpc/include/asm/user.h5
-rw-r--r--arch/s390/include/asm/user.h4
-rw-r--r--arch/sh/include/asm/user.h6
-rw-r--r--arch/um/include/asm/Kbuild1
-rw-r--r--arch/x86/include/asm/user_32.h4
-rw-r--r--arch/x86/include/asm/user_64.h4
-rw-r--r--arch/x86/lib/csum-partial_64.c26
-rw-r--r--arch/x86/um/Kconfig1
13 files changed, 1 insertions, 74 deletions
diff --git a/arch/alpha/include/asm/user.h b/arch/alpha/include/asm/user.h
index 3df37492c7b7..c9f525a6aab8 100644
--- a/arch/alpha/include/asm/user.h
+++ b/arch/alpha/include/asm/user.h
@@ -45,10 +45,4 @@ struct user {
char u_comm[32]; /* user command name */
};
-#define NBPG PAGE_SIZE
-#define UPAGES 1
-#define HOST_TEXT_START_ADDR (u.start_code)
-#define HOST_DATA_START_ADDR (u.start_data)
-#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
-
#endif /* _ALPHA_USER_H */
diff --git a/arch/arm/include/asm/user.h b/arch/arm/include/asm/user.h
index c799a3c49342..167d44b550f4 100644
--- a/arch/arm/include/asm/user.h
+++ b/arch/arm/include/asm/user.h
@@ -77,10 +77,6 @@ struct user{
struct user_fp_struct * u_fp0;/* Used by gdb to help find the values for */
/* the FP registers. */
};
-#define NBPG PAGE_SIZE
-#define UPAGES 1
-#define HOST_TEXT_START_ADDR (u.start_code)
-#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
/*
* User specific VFP registers. If only VFPv2 is present, registers 16 to 31
diff --git a/arch/h8300/include/asm/user.h b/arch/h8300/include/asm/user.h
index 2298909f24c6..161653d84b34 100644
--- a/arch/h8300/include/asm/user.h
+++ b/arch/h8300/include/asm/user.h
@@ -67,9 +67,5 @@ struct user {
unsigned long magic; /* To uniquely identify a core file */
char u_comm[32]; /* User command that was responsible */
};
-#define NBPG PAGE_SIZE
-#define UPAGES 1
-#define HOST_TEXT_START_ADDR (u.start_code)
-#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
#endif
diff --git a/arch/ia64/include/asm/user.h b/arch/ia64/include/asm/user.h
index 0ba486651b7c..ec03d3ab8715 100644
--- a/arch/ia64/include/asm/user.h
+++ b/arch/ia64/include/asm/user.h
@@ -50,10 +50,4 @@ struct user {
char u_comm[32]; /* user command name */
};
-#define NBPG PAGE_SIZE
-#define UPAGES 1
-#define HOST_TEXT_START_ADDR (u.start_code)
-#define HOST_DATA_START_ADDR (u.start_data)
-#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
-
#endif /* _ASM_IA64_USER_H */
diff --git a/arch/m68k/include/asm/user.h b/arch/m68k/include/asm/user.h
index 509d555977c8..61413bff613a 100644
--- a/arch/m68k/include/asm/user.h
+++ b/arch/m68k/include/asm/user.h
@@ -79,9 +79,5 @@ struct user{
unsigned long magic; /* To uniquely identify a core file */
char u_comm[32]; /* User command that was responsible */
};
-#define NBPG 4096
-#define UPAGES 1
-#define HOST_TEXT_START_ADDR (u.start_code)
-#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
#endif
diff --git a/arch/powerpc/include/asm/user.h b/arch/powerpc/include/asm/user.h
index 99443b8594e7..7fae7e597ba4 100644
--- a/arch/powerpc/include/asm/user.h
+++ b/arch/powerpc/include/asm/user.h
@@ -44,9 +44,4 @@ struct user {
char u_comm[32]; /* user command name */
};
-#define NBPG PAGE_SIZE
-#define UPAGES 1
-#define HOST_TEXT_START_ADDR (u.start_code)
-#define HOST_DATA_START_ADDR (u.start_data)
-#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
#endif /* _ASM_POWERPC_USER_H */
diff --git a/arch/s390/include/asm/user.h b/arch/s390/include/asm/user.h
index 0ca572ced21b..8e8aaf48582e 100644
--- a/arch/s390/include/asm/user.h
+++ b/arch/s390/include/asm/user.h
@@ -67,9 +67,5 @@ struct user {
unsigned long magic; /* To uniquely identify a core file */
char u_comm[32]; /* User command that was responsible */
};
-#define NBPG PAGE_SIZE
-#define UPAGES 1
-#define HOST_TEXT_START_ADDR (u.start_code)
-#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
#endif /* _S390_USER_H */
diff --git a/arch/sh/include/asm/user.h b/arch/sh/include/asm/user.h
index 7dfd3f6461e6..12ea0f3f4419 100644
--- a/arch/sh/include/asm/user.h
+++ b/arch/sh/include/asm/user.h
@@ -52,10 +52,4 @@ struct user {
char u_comm[32]; /* user command name */
};
-#define NBPG PAGE_SIZE
-#define UPAGES 1
-#define HOST_TEXT_START_ADDR (u.start_code)
-#define HOST_DATA_START_ADDR (u.start_data)
-#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
-
#endif /* __ASM_SH_USER_H */
diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild
index b08bd2966253..f1f3f52f1e9c 100644
--- a/arch/um/include/asm/Kbuild
+++ b/arch/um/include/asm/Kbuild
@@ -24,7 +24,6 @@ generic-y += softirq_stack.h
generic-y += switch_to.h
generic-y += topology.h
generic-y += trace_clock.h
-generic-y += word-at-a-time.h
generic-y += kprobes.h
generic-y += mm_hooks.h
generic-y += vga.h
diff --git a/arch/x86/include/asm/user_32.h b/arch/x86/include/asm/user_32.h
index d72c3d66e94f..8963915e533f 100644
--- a/arch/x86/include/asm/user_32.h
+++ b/arch/x86/include/asm/user_32.h
@@ -124,9 +124,5 @@ struct user{
char u_comm[32]; /* User command that was responsible */
int u_debugreg[8];
};
-#define NBPG PAGE_SIZE
-#define UPAGES 1
-#define HOST_TEXT_START_ADDR (u.start_code)
-#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
#endif /* _ASM_X86_USER_32_H */
diff --git a/arch/x86/include/asm/user_64.h b/arch/x86/include/asm/user_64.h
index db909923611c..1dd10f07ccd6 100644
--- a/arch/x86/include/asm/user_64.h
+++ b/arch/x86/include/asm/user_64.h
@@ -130,9 +130,5 @@ struct user {
unsigned long error_code; /* CPU error code or 0 */
unsigned long fault_address; /* CR3 or 0 */
};
-#define NBPG PAGE_SIZE
-#define UPAGES 1
-#define HOST_TEXT_START_ADDR (u.start_code)
-#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
#endif /* _ASM_X86_USER_64_H */
diff --git a/arch/x86/lib/csum-partial_64.c b/arch/x86/lib/csum-partial_64.c
index 1f8a8f895173..50734a23034c 100644
--- a/arch/x86/lib/csum-partial_64.c
+++ b/arch/x86/lib/csum-partial_64.c
@@ -93,7 +93,6 @@ __wsum csum_partial(const void *buff, int len, __wsum sum)
buff += 8;
}
if (len & 7) {
-#ifdef CONFIG_DCACHE_WORD_ACCESS
unsigned int shift = (8 - (len & 7)) * 8;
unsigned long trail;
@@ -103,31 +102,6 @@ __wsum csum_partial(const void *buff, int len, __wsum sum)
"adcq $0,%[res]"
: [res] "+r" (temp64)
: [trail] "r" (trail));
-#else
- if (len & 4) {
- asm("addq %[val],%[res]\n\t"
- "adcq $0,%[res]"
- : [res] "+r" (temp64)
- : [val] "r" ((u64)*(u32 *)buff)
- : "memory");
- buff += 4;
- }
- if (len & 2) {
- asm("addq %[val],%[res]\n\t"
- "adcq $0,%[res]"
- : [res] "+r" (temp64)
- : [val] "r" ((u64)*(u16 *)buff)
- : "memory");
- buff += 2;
- }
- if (len & 1) {
- asm("addq %[val],%[res]\n\t"
- "adcq $0,%[res]"
- : [res] "+r" (temp64)
- : [val] "r" ((u64)*(u8 *)buff)
- : "memory");
- }
-#endif
}
result = add32_with_carry(temp64 >> 32, temp64 & 0xffffffff);
if (unlikely(odd)) {
diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig
index ead7e5b3a975..1bcd42c53039 100644
--- a/arch/x86/um/Kconfig
+++ b/arch/x86/um/Kconfig
@@ -9,6 +9,7 @@ endmenu
config UML_X86
def_bool y
select ARCH_BINFMT_ELF_EXTRA_PHDRS if X86_32
+ select DCACHE_WORD_ACCESS
config 64BIT
bool "64-bit kernel" if "$(SUBARCH)" = "x86"