From: David Howells <dhowells@redhat.com>
To: linux-kernel@vger.kernel.org
Subject: [PATCH 15/45] C++: Need space between string and symbol
Date: Sun, 01 Apr 2018 21:41:45 +0100 [thread overview]
Message-ID: <152261530574.30503.8486723819346783664.stgit@warthog.procyon.org.uk> (raw)
In-Reply-To: <152261521484.30503.16131389653845029164.stgit@warthog.procyon.org.uk>
C++ requires a space between a string and a following symbol. For example,
the following is not permitted:
asm volatile("btl "__percpu_arg(2)",%1"
but this is:
asm volatile("btl " __percpu_arg(2) ",%1"
The former produces warnings like the following:
arch/x86/include/asm/alternative.h:95:42: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
This ought to be possible to script conversion for.
Signed-off-by: David Howells <dhowells@redhat.com>
---
arch/x86/include/asm/alternative.h | 10 ++--
arch/x86/include/asm/arch_hweight.h | 4 +
arch/x86/include/asm/percpu.h | 94 ++++++++++++++++++-----------------
arch/x86/include/asm/perf_event.h | 2 -
include/linux/spinlock.h | 2 -
5 files changed, 56 insertions(+), 56 deletions(-)
diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index cf5961ca8677..cc200eb8288e 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -85,14 +85,14 @@ static inline int alternatives_text_reserved(void *start, void *end)
}
#endif /* CONFIG_SMP */
-#define b_replacement(num) "664"#num
-#define e_replacement(num) "665"#num
+#define b_replacement(num) "664" #num
+#define e_replacement(num) "665" #num
#define alt_end_marker "663"
#define alt_slen "662b-661b"
-#define alt_pad_len alt_end_marker"b-662b"
-#define alt_total_slen alt_end_marker"b-661b"
-#define alt_rlen(num) e_replacement(num)"f-"b_replacement(num)"f"
+#define alt_pad_len alt_end_marker "b-662b"
+#define alt_total_slen alt_end_marker "b-661b"
+#define alt_rlen(num) e_replacement(num) "f-" b_replacement(num) "f"
#define __OLDINSTR(oldinstr, num) \
"661:\n\t" oldinstr "\n662:\n" \
diff --git a/arch/x86/include/asm/arch_hweight.h b/arch/x86/include/asm/arch_hweight.h
index 34a10b2d5b73..75c4038ea63a 100644
--- a/arch/x86/include/asm/arch_hweight.h
+++ b/arch/x86/include/asm/arch_hweight.h
@@ -25,7 +25,7 @@ static __always_inline unsigned int __arch_hweight32(unsigned int w)
unsigned int res;
asm (ALTERNATIVE("call __sw_hweight32", POPCNT32, X86_FEATURE_POPCNT)
- : "="REG_OUT (res)
+ : "=" REG_OUT (res)
: REG_IN (w));
return res;
@@ -53,7 +53,7 @@ static __always_inline unsigned long __arch_hweight64(__u64 w)
unsigned long res;
asm (ALTERNATIVE("call __sw_hweight64", POPCNT64, X86_FEATURE_POPCNT)
- : "="REG_OUT (res)
+ : "=" REG_OUT (res)
: REG_IN (w));
return res;
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index a06b07399d17..10b63180fb27 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -46,7 +46,7 @@
#include <linux/stringify.h>
#ifdef CONFIG_SMP
-#define __percpu_prefix "%%"__stringify(__percpu_seg)":"
+#define __percpu_prefix "%%" __stringify(__percpu_seg) ":"
#define __my_cpu_offset this_cpu_read(this_cpu_off)
/*
@@ -97,22 +97,22 @@ do { \
} \
switch (sizeof(var)) { \
case 1: \
- asm(op "b %1,"__percpu_arg(0) \
+ asm(op "b %1," __percpu_arg(0) \
: "+m" (var) \
: "qi" ((pto_T__)(val))); \
break; \
case 2: \
- asm(op "w %1,"__percpu_arg(0) \
+ asm(op "w %1," __percpu_arg(0) \
: "+m" (var) \
: "ri" ((pto_T__)(val))); \
break; \
case 4: \
- asm(op "l %1,"__percpu_arg(0) \
+ asm(op "l %1," __percpu_arg(0) \
: "+m" (var) \
: "ri" ((pto_T__)(val))); \
break; \
case 8: \
- asm(op "q %1,"__percpu_arg(0) \
+ asm(op "q %1," __percpu_arg(0) \
: "+m" (var) \
: "re" ((pto_T__)(val))); \
break; \
@@ -138,41 +138,41 @@ do { \
switch (sizeof(var)) { \
case 1: \
if (pao_ID__ == 1) \
- asm("incb "__percpu_arg(0) : "+m" (var)); \
+ asm("incb " __percpu_arg(0) : "+m" (var)); \
else if (pao_ID__ == -1) \
- asm("decb "__percpu_arg(0) : "+m" (var)); \
+ asm("decb " __percpu_arg(0) : "+m" (var)); \
else \
- asm("addb %1, "__percpu_arg(0) \
+ asm("addb %1, " __percpu_arg(0) \
: "+m" (var) \
: "qi" ((pao_T__)(val))); \
break; \
case 2: \
if (pao_ID__ == 1) \
- asm("incw "__percpu_arg(0) : "+m" (var)); \
+ asm("incw " __percpu_arg(0) : "+m" (var)); \
else if (pao_ID__ == -1) \
- asm("decw "__percpu_arg(0) : "+m" (var)); \
+ asm("decw " __percpu_arg(0) : "+m" (var)); \
else \
- asm("addw %1, "__percpu_arg(0) \
+ asm("addw %1, " __percpu_arg(0) \
: "+m" (var) \
: "ri" ((pao_T__)(val))); \
break; \
case 4: \
if (pao_ID__ == 1) \
- asm("incl "__percpu_arg(0) : "+m" (var)); \
+ asm("incl " __percpu_arg(0) : "+m" (var)); \
else if (pao_ID__ == -1) \
- asm("decl "__percpu_arg(0) : "+m" (var)); \
+ asm("decl " __percpu_arg(0) : "+m" (var)); \
else \
- asm("addl %1, "__percpu_arg(0) \
+ asm("addl %1, " __percpu_arg(0) \
: "+m" (var) \
: "ri" ((pao_T__)(val))); \
break; \
case 8: \
if (pao_ID__ == 1) \
- asm("incq "__percpu_arg(0) : "+m" (var)); \
+ asm("incq " __percpu_arg(0) : "+m" (var)); \
else if (pao_ID__ == -1) \
- asm("decq "__percpu_arg(0) : "+m" (var)); \
+ asm("decq " __percpu_arg(0) : "+m" (var)); \
else \
- asm("addq %1, "__percpu_arg(0) \
+ asm("addq %1, " __percpu_arg(0) \
: "+m" (var) \
: "re" ((pao_T__)(val))); \
break; \
@@ -185,22 +185,22 @@ do { \
typeof(var) pfo_ret__; \
switch (sizeof(var)) { \
case 1: \
- asm(op "b "__percpu_arg(1)",%0" \
+ asm(op "b " __percpu_arg(1)",%0" \
: "=q" (pfo_ret__) \
: "m" (var)); \
break; \
case 2: \
- asm(op "w "__percpu_arg(1)",%0" \
+ asm(op "w " __percpu_arg(1)",%0" \
: "=r" (pfo_ret__) \
: "m" (var)); \
break; \
case 4: \
- asm(op "l "__percpu_arg(1)",%0" \
+ asm(op "l " __percpu_arg(1)",%0" \
: "=r" (pfo_ret__) \
: "m" (var)); \
break; \
case 8: \
- asm(op "q "__percpu_arg(1)",%0" \
+ asm(op "q " __percpu_arg(1)",%0" \
: "=r" (pfo_ret__) \
: "m" (var)); \
break; \
@@ -214,22 +214,22 @@ do { \
typeof(var) pfo_ret__; \
switch (sizeof(var)) { \
case 1: \
- asm(op "b "__percpu_arg(P1)",%0" \
+ asm(op "b " __percpu_arg(P1)",%0" \
: "=q" (pfo_ret__) \
: "p" (&(var))); \
break; \
case 2: \
- asm(op "w "__percpu_arg(P1)",%0" \
+ asm(op "w " __percpu_arg(P1)",%0" \
: "=r" (pfo_ret__) \
: "p" (&(var))); \
break; \
case 4: \
- asm(op "l "__percpu_arg(P1)",%0" \
+ asm(op "l " __percpu_arg(P1)",%0" \
: "=r" (pfo_ret__) \
: "p" (&(var))); \
break; \
case 8: \
- asm(op "q "__percpu_arg(P1)",%0" \
+ asm(op "q " __percpu_arg(P1)",%0" \
: "=r" (pfo_ret__) \
: "p" (&(var))); \
break; \
@@ -242,19 +242,19 @@ do { \
({ \
switch (sizeof(var)) { \
case 1: \
- asm(op "b "__percpu_arg(0) \
+ asm(op "b " __percpu_arg(0) \
: "+m" (var)); \
break; \
case 2: \
- asm(op "w "__percpu_arg(0) \
+ asm(op "w " __percpu_arg(0) \
: "+m" (var)); \
break; \
case 4: \
- asm(op "l "__percpu_arg(0) \
+ asm(op "l " __percpu_arg(0) \
: "+m" (var)); \
break; \
case 8: \
- asm(op "q "__percpu_arg(0) \
+ asm(op "q " __percpu_arg(0) \
: "+m" (var)); \
break; \
default: __bad_percpu_size(); \
@@ -269,22 +269,22 @@ do { \
typeof(var) paro_ret__ = val; \
switch (sizeof(var)) { \
case 1: \
- asm("xaddb %0, "__percpu_arg(1) \
+ asm("xaddb %0, " __percpu_arg(1) \
: "+q" (paro_ret__), "+m" (var) \
: : "memory"); \
break; \
case 2: \
- asm("xaddw %0, "__percpu_arg(1) \
+ asm("xaddw %0, " __percpu_arg(1) \
: "+r" (paro_ret__), "+m" (var) \
: : "memory"); \
break; \
case 4: \
- asm("xaddl %0, "__percpu_arg(1) \
+ asm("xaddl %0, " __percpu_arg(1) \
: "+r" (paro_ret__), "+m" (var) \
: : "memory"); \
break; \
case 8: \
- asm("xaddq %0, "__percpu_arg(1) \
+ asm("xaddq %0, " __percpu_arg(1) \
: "+re" (paro_ret__), "+m" (var) \
: : "memory"); \
break; \
@@ -305,32 +305,32 @@ do { \
typeof(var) pxo_new__ = (nval); \
switch (sizeof(var)) { \
case 1: \
- asm("\n\tmov "__percpu_arg(1)",%%al" \
- "\n1:\tcmpxchgb %2, "__percpu_arg(1) \
+ asm("\n\tmov " __percpu_arg(1)",%%al" \
+ "\n1:\tcmpxchgb %2, " __percpu_arg(1) \
"\n\tjnz 1b" \
: "=&a" (pxo_ret__), "+m" (var) \
: "q" (pxo_new__) \
: "memory"); \
break; \
case 2: \
- asm("\n\tmov "__percpu_arg(1)",%%ax" \
- "\n1:\tcmpxchgw %2, "__percpu_arg(1) \
+ asm("\n\tmov " __percpu_arg(1)",%%ax" \
+ "\n1:\tcmpxchgw %2, " __percpu_arg(1) \
"\n\tjnz 1b" \
: "=&a" (pxo_ret__), "+m" (var) \
: "r" (pxo_new__) \
: "memory"); \
break; \
case 4: \
- asm("\n\tmov "__percpu_arg(1)",%%eax" \
- "\n1:\tcmpxchgl %2, "__percpu_arg(1) \
+ asm("\n\tmov " __percpu_arg(1)",%%eax" \
+ "\n1:\tcmpxchgl %2, " __percpu_arg(1) \
"\n\tjnz 1b" \
: "=&a" (pxo_ret__), "+m" (var) \
: "r" (pxo_new__) \
: "memory"); \
break; \
case 8: \
- asm("\n\tmov "__percpu_arg(1)",%%rax" \
- "\n1:\tcmpxchgq %2, "__percpu_arg(1) \
+ asm("\n\tmov " __percpu_arg(1)",%%rax" \
+ "\n1:\tcmpxchgq %2, " __percpu_arg(1) \
"\n\tjnz 1b" \
: "=&a" (pxo_ret__), "+m" (var) \
: "r" (pxo_new__) \
@@ -352,25 +352,25 @@ do { \
typeof(var) pco_new__ = (nval); \
switch (sizeof(var)) { \
case 1: \
- asm("cmpxchgb %2, "__percpu_arg(1) \
+ asm("cmpxchgb %2, " __percpu_arg(1) \
: "=a" (pco_ret__), "+m" (var) \
: "q" (pco_new__), "0" (pco_old__) \
: "memory"); \
break; \
case 2: \
- asm("cmpxchgw %2, "__percpu_arg(1) \
+ asm("cmpxchgw %2, " __percpu_arg(1) \
: "=a" (pco_ret__), "+m" (var) \
: "r" (pco_new__), "0" (pco_old__) \
: "memory"); \
break; \
case 4: \
- asm("cmpxchgl %2, "__percpu_arg(1) \
+ asm("cmpxchgl %2, " __percpu_arg(1) \
: "=a" (pco_ret__), "+m" (var) \
: "r" (pco_new__), "0" (pco_old__) \
: "memory"); \
break; \
case 8: \
- asm("cmpxchgq %2, "__percpu_arg(1) \
+ asm("cmpxchgq %2, " __percpu_arg(1) \
: "=a" (pco_ret__), "+m" (var) \
: "r" (pco_new__), "0" (pco_old__) \
: "memory"); \
@@ -450,7 +450,7 @@ do { \
bool __ret; \
typeof(pcp1) __o1 = (o1), __n1 = (n1); \
typeof(pcp2) __o2 = (o2), __n2 = (n2); \
- asm volatile("cmpxchg8b "__percpu_arg(1)"\n\tsetz %0\n\t" \
+ asm volatile("cmpxchg8b " __percpu_arg(1)"\n\tsetz %0\n\t" \
: "=a" (__ret), "+m" (pcp1), "+m" (pcp2), "+d" (__o2) \
: "b" (__n1), "c" (__n2), "a" (__o1)); \
__ret; \
@@ -526,7 +526,7 @@ static inline bool x86_this_cpu_variable_test_bit(int nr,
{
bool oldbit;
- asm volatile("btl "__percpu_arg(2)",%1"
+ asm volatile("btl " __percpu_arg(2) ",%1"
CC_SET(c)
: CC_OUT(c) (oldbit)
: "m" (*(unsigned long __percpu *)addr), "Ir" (nr));
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 12f54082f4c8..7c8c8797932e 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -256,7 +256,7 @@ extern unsigned long perf_misc_flags(struct pt_regs *regs);
(regs)->cs = __KERNEL_CS; \
regs->flags = 0; \
asm volatile( \
- _ASM_MOV "%%"_ASM_SP ", %0\n" \
+ _ASM_MOV "%%" _ASM_SP ", %0\n" \
: "=m" ((regs)->sp) \
:: "memory" \
); \
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 4894d322d258..84b77941ee11 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -62,7 +62,7 @@
/*
* Must define these before including other files, inline functions need them
*/
-#define LOCK_SECTION_NAME ".text..lock."KBUILD_BASENAME
+#define LOCK_SECTION_NAME ".text..lock." KBUILD_BASENAME
#define LOCK_SECTION_START(extra) \
".subsection 1\n\t" \
next prev parent reply other threads:[~2018-04-01 20:41 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-01 20:40 [PATCH 00/45] C++: Convert the kernel to C++ David Howells
2018-04-01 20:40 ` [PATCH 01/45] Use UINT_MAX, not -1, to represent an invalid UID, GID or project ID David Howells
2018-04-01 23:04 ` Randy Dunlap
2018-04-01 20:40 ` [PATCH 02/45] Fix exception_enter() return value David Howells
2018-04-05 1:34 ` Sasha Levin
2018-04-01 20:40 ` [PATCH 03/45] Fix loop var in be32_to_cpu_array() and cpu_to_be32_array() David Howells
2018-04-01 20:40 ` [PATCH 04/45] Fix use of ACPI_COMPANION_SET() David Howells
2018-04-01 20:40 ` [PATCH 05/45] C++: Set compilation as C++ for .c files David Howells
2018-04-02 6:10 ` kbuild test robot
2018-04-02 6:10 ` kbuild test robot
2018-04-03 13:16 ` David Howells
2018-04-03 13:27 ` Fengguang Wu
2018-04-10 8:44 ` David Howells
2018-04-10 9:45 ` Fengguang Wu
2018-04-11 1:13 ` Li, Philip
2018-04-01 20:40 ` [PATCH 06/45] C++: Do some basic C++ type definition David Howells
2018-04-02 4:37 ` kbuild test robot
2018-04-02 6:10 ` kbuild test robot
2018-04-01 20:40 ` [PATCH 07/45] C++: Define a header with some C++ type traits for type checking David Howells
2018-04-02 7:00 ` kbuild test robot
2018-04-01 20:41 ` [PATCH 08/45] C++: Implement abs() as an inline template function David Howells
2018-04-01 20:41 ` [PATCH 09/45] C++: x86: Fix the x86 syscall table production for C++ David Howells
2018-04-02 7:57 ` kbuild test robot
2018-04-01 20:41 ` [PATCH 10/45] C++: x86: Turn xchg(), xadd() & co. into inline template functions David Howells
2018-04-01 20:41 ` [PATCH 11/45] C++: x86: Turn cmpxchg() " David Howells
2018-04-01 20:41 ` [PATCH 12/45] C++: x86: Turn cmpxchg_double() " David Howells
2018-04-01 20:41 ` [PATCH 13/45] C++: x86: Turn cmpxchg64() " David Howells
2018-04-01 20:41 ` [PATCH 14/45] C++: x86: Turn put_user(), get_user() " David Howells
2018-04-01 20:41 ` David Howells [this message]
2018-04-01 20:41 ` [PATCH 16/45] C++: Disable VERIFY_OCTAL_PERMISSIONS() for the moment David Howells
2018-04-01 20:41 ` [PATCH 17/45] C++: Turn READ_ONCE(), WRITE_ONCE() & co. into inline template functions David Howells
2018-04-01 20:42 ` [PATCH 18/45] C++: Turn RCU accessors " David Howells
2018-04-01 20:42 ` [PATCH 19/45] C++: Turn ktime_add/sub_ns() " David Howells
2018-04-01 20:42 ` [PATCH 20/45] C++: init/main: Constify pointers David Howells
2018-04-01 20:42 ` [PATCH 21/45] C++: Set the type of atomic64_t to s64 David Howells
2018-04-01 20:42 ` [PATCH 22/45] C++: Define apic_intr_mode after the enum definition, not before David Howells
2018-04-01 20:42 ` [PATCH 23/45] C++: Don't do "extern asmlinkage" David Howells
2018-04-01 20:42 ` [PATCH 24/45] C++: Fix BUILD_BUG_ON_ZERO() David Howells
2018-04-01 20:42 ` [PATCH 25/45] C++: Fix void variables David Howells
2018-04-01 20:42 ` [PATCH 26/45] C++: Can't have variable/member names the same as typedef names David Howells
2018-04-01 20:42 ` [PATCH 27/45] C++: Disable __same_type() for the moment David Howells
2018-04-01 20:43 ` [PATCH 28/45] C++: Move ctx_state enum out of struct context_tracking David Howells
2018-04-01 20:43 ` [PATCH 29/45] C++: Move the print_line_t enum before first use David Howells
2018-04-01 20:43 ` [PATCH 30/45] C++: Include linux/hrtimer.h from linux/timer.h David Howells
2018-04-01 20:43 ` [PATCH 31/45] C++: Avoid using 'compl' and 'and' as names David Howells
2018-04-02 7:57 ` kbuild test robot
2018-04-01 20:43 ` [PATCH 32/45] C++: __to_fd() needs to reduce the size of v for struct fd::flags David Howells
2018-04-01 20:43 ` [PATCH 33/45] C++: Move irqchip_irq_state enum David Howells
2018-04-01 20:43 ` [PATCH 34/45] C++: Fix up use of LIST_POISON* David Howells
2018-04-01 20:43 ` [PATCH 35/45] C++: Fix static_branch_likely/unlikely() David Howells
2018-04-01 20:43 ` [PATCH 36/45] C++: Fix kernfs_type() int->enum David Howells
2018-04-01 20:43 ` [PATCH 37/45] C++: Fix page_zonenum() int->enum David Howells
2018-04-01 20:44 ` [PATCH 38/45] C++: mutex_trylock_recursive_enum() int->enum David Howells
2018-04-01 23:10 ` Randy Dunlap
2018-04-01 20:44 ` [PATCH 39/45] C++: Fix spinlock initialisation David Howells
2018-04-01 20:44 ` [PATCH 40/45] C++: Fix sema_init() David Howells
2018-04-01 20:44 ` [PATCH 41/45] C++: Cast in bitops David Howells
2018-04-02 6:10 ` kbuild test robot
2018-04-01 20:44 ` [PATCH 42/45] C++: Hide C++ keywords David Howells
2018-04-02 7:32 ` kbuild test robot
2018-04-01 20:44 ` [PATCH 43/45] C++: Don't need to declare struct pgd_t after typedef David Howells
2018-04-01 20:44 ` [PATCH 44/45] C++: Can't declare unsized-array in struct cgroup David Howells
2018-04-01 20:44 ` [PATCH 45/45] C++: Move initcall_level_names[] to __initdata section David Howells
2018-04-01 22:20 ` [PATCH 00/45] C++: Convert the kernel to C++ Randy Dunlap
2018-04-02 9:28 ` Vegard Nossum
2024-01-09 19:57 ` H. Peter Anvin
2024-01-09 23:29 ` Andrew Pinski
2024-01-11 21:01 ` Arsen Arsenović
2024-01-10 0:29 ` David Howells
2024-01-10 8:58 ` Jiri Slaby
2024-01-10 13:04 ` Neal Gompa
2024-01-10 15:52 ` Jason Gunthorpe
2024-01-10 16:05 ` H. Peter Anvin
2024-01-10 16:25 ` Neal Gompa
2024-01-10 17:57 ` Theodore Ts'o
2024-01-12 2:23 ` H. Peter Anvin
2024-01-12 2:52 ` Kent Overstreet
2024-01-11 8:06 ` Andreas Herrmann
2024-01-10 15:01 ` Michael de Lang
[not found] ` <69fe1c0c-b5ec-4031-b719-d9c14742929c@metux.net>
2024-01-12 21:58 ` Michael de Lang
2024-01-11 4:24 ` John Hubbard
2024-01-11 5:09 ` Dave Airlie
2024-01-11 15:24 ` Eric Curtin
2024-01-11 21:37 ` David Laight
2024-01-11 12:39 ` Chris Down
2024-01-11 19:40 ` David Laight
2024-01-24 6:53 ` Jiri Slaby
2024-01-12 2:54 ` H. Peter Anvin
2024-01-12 8:52 ` David Howells
2024-01-12 23:53 ` H. Peter Anvin
2024-01-09 23:40 ` David Howells
2024-01-10 7:13 ` Alexey Dobriyan
2024-01-12 2:25 ` H. Peter Anvin
2024-01-12 2:40 ` H. Peter Anvin
2024-01-11 23:09 ` Arsen Arsenović
2024-01-12 9:20 ` David Howells
2024-01-12 21:35 ` Arsen Arsenović
2024-01-12 23:41 ` David Howells
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