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From: Rick Edgecombe <rick.p.edgecombe@intel.com>
To: dave.hansen@intel.com, len.brown@intel.com, tony.luck@intel.com,
	rafael.j.wysocki@intel.com, reinette.chatre@intel.com,
	dan.j.williams@intel.com, viro@zeniv.linux.org.uk,
	ebiederm@xmission.com, keescook@chromium.org
Cc: Rick Edgecombe <rick.p.edgecombe@intel.com>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 2/3] x86: Improve formatting of user_regset arrays
Date: Thu, 17 Mar 2022 12:20:12 -0700	[thread overview]
Message-ID: <20220317192013.13655-3-rick.p.edgecombe@intel.com> (raw)
In-Reply-To: <20220317192013.13655-1-rick.p.edgecombe@intel.com>

Back in 2018, Ingo Molnar suggested[0] to improve the formatting of the
struct user_regset arrays. They have multiple member initializations per
line and some lines exceed 100 chars. Reformat them like he suggested.

[0] https://lore.kernel.org/lkml/20180711102035.GB8574@gmail.com/

Suggested-by: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
---
 arch/x86/kernel/ptrace.c | 105 ++++++++++++++++++++++++---------------
 1 file changed, 64 insertions(+), 41 deletions(-)

diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index c6a4a4d0d804..d69e064e3e93 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1235,28 +1235,37 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
 
 static struct user_regset x86_64_regsets[] __ro_after_init = {
 	[REGSET64_GENERAL] = {
-		.core_note_type = NT_PRSTATUS,
-		.n = sizeof(struct user_regs_struct) / sizeof(long),
-		.size = sizeof(long), .align = sizeof(long),
-		.regset_get = genregs_get, .set = genregs_set
+		.core_note_type	= NT_PRSTATUS,
+		.n		= sizeof(struct user_regs_struct) / sizeof(long),
+		.size		= sizeof(long),
+		.align		= sizeof(long),
+		.regset_get	= genregs_get,
+		.set		= genregs_set
 	},
 	[REGSET64_FP] = {
 		.core_note_type = NT_PRFPREG,
-		.n = sizeof(struct fxregs_state) / sizeof(long),
-		.size = sizeof(long), .align = sizeof(long),
-		.active = regset_xregset_fpregs_active, .regset_get = xfpregs_get, .set = xfpregs_set
+		.n		= sizeof(struct fxregs_state) / sizeof(long),
+		.size		= sizeof(long),
+		.align		= sizeof(long),
+		.active		= regset_xregset_fpregs_active,
+		.regset_get	= xfpregs_get,
+		.set		= xfpregs_set
 	},
 	[REGSET64_XSTATE] = {
-		.core_note_type = NT_X86_XSTATE,
-		.size = sizeof(u64), .align = sizeof(u64),
-		.active = xstateregs_active, .regset_get = xstateregs_get,
-		.set = xstateregs_set
+		.core_note_type	= NT_X86_XSTATE,
+		.size		= sizeof(u64),
+		.align		= sizeof(u64),
+		.active		= xstateregs_active,
+		.regset_get	= xstateregs_get,
+		.set		= xstateregs_set
 	},
 	[REGSET64_IOPERM] = {
-		.core_note_type = NT_386_IOPERM,
-		.n = IO_BITMAP_LONGS,
-		.size = sizeof(long), .align = sizeof(long),
-		.active = ioperm_active, .regset_get = ioperm_get
+		.core_note_type	= NT_386_IOPERM,
+		.n		= IO_BITMAP_LONGS,
+		.size		= sizeof(long),
+		.align		= sizeof(long),
+		.active		= ioperm_active,
+		.regset_get	= ioperm_get
 	},
 };
 
@@ -1276,42 +1285,56 @@ static const struct user_regset_view user_x86_64_view = {
 #if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
 static struct user_regset x86_32_regsets[] __ro_after_init = {
 	[REGSET32_GENERAL] = {
-		.core_note_type = NT_PRSTATUS,
-		.n = sizeof(struct user_regs_struct32) / sizeof(u32),
-		.size = sizeof(u32), .align = sizeof(u32),
-		.regset_get = genregs32_get, .set = genregs32_set
+		.core_note_type	= NT_PRSTATUS,
+		.n		= sizeof(struct user_regs_struct32) / sizeof(u32),
+		.size		= sizeof(u32),
+		.align		= sizeof(u32),
+		.regset_get	= genregs32_get,
+		.set		= genregs32_set
 	},
 	[REGSET32_FP] = {
-		.core_note_type = NT_PRFPREG,
-		.n = sizeof(struct user_i387_ia32_struct) / sizeof(u32),
-		.size = sizeof(u32), .align = sizeof(u32),
-		.active = regset_fpregs_active, .regset_get = fpregs_get, .set = fpregs_set
+		.core_note_type	= NT_PRFPREG,
+		.n		= sizeof(struct user_i387_ia32_struct) / sizeof(u32),
+		.size		= sizeof(u32),
+		.align		= sizeof(u32),
+		.active		= regset_fpregs_active,
+		.regset_get	= fpregs_get,
+		.set		= fpregs_set
 	},
 	[REGSET32_XFP] = {
-		.core_note_type = NT_PRXFPREG,
-		.n = sizeof(struct fxregs_state) / sizeof(u32),
-		.size = sizeof(u32), .align = sizeof(u32),
-		.active = regset_xregset_fpregs_active, .regset_get = xfpregs_get, .set = xfpregs_set
+		.core_note_type	= NT_PRXFPREG,
+		.n		= sizeof(struct fxregs_state) / sizeof(u32),
+		.size		= sizeof(u32),
+		.align		= sizeof(u32),
+		.active		= regset_xregset_fpregs_active,
+		.regset_get	= xfpregs_get,
+		.set		= xfpregs_set
 	},
 	[REGSET32_XSTATE] = {
-		.core_note_type = NT_X86_XSTATE,
-		.size = sizeof(u64), .align = sizeof(u64),
-		.active = xstateregs_active, .regset_get = xstateregs_get,
-		.set = xstateregs_set
+		.core_note_type	= NT_X86_XSTATE,
+		.size		= sizeof(u64),
+		.align		= sizeof(u64),
+		.active		= xstateregs_active,
+		.regset_get	= xstateregs_get,
+		.set		= xstateregs_set
 	},
 	[REGSET32_TLS] = {
-		.core_note_type = NT_386_TLS,
-		.n = GDT_ENTRY_TLS_ENTRIES, .bias = GDT_ENTRY_TLS_MIN,
-		.size = sizeof(struct user_desc),
-		.align = sizeof(struct user_desc),
-		.active = regset_tls_active,
-		.regset_get = regset_tls_get, .set = regset_tls_set
+		.core_note_type	= NT_386_TLS,
+		.n		= GDT_ENTRY_TLS_ENTRIES,
+		.bias		= GDT_ENTRY_TLS_MIN,
+		.size		= sizeof(struct user_desc),
+		.align		= sizeof(struct user_desc),
+		.active		= regset_tls_active,
+		.regset_get	= regset_tls_get,
+		.set		= regset_tls_set
 	},
 	[REGSET32_IOPERM] = {
-		.core_note_type = NT_386_IOPERM,
-		.n = IO_BITMAP_BYTES / sizeof(u32),
-		.size = sizeof(u32), .align = sizeof(u32),
-		.active = ioperm_active, .regset_get = ioperm_get
+		.core_note_type	= NT_386_IOPERM,
+		.n		= IO_BITMAP_BYTES / sizeof(u32),
+		.size		= sizeof(u32),
+		.align		= sizeof(u32),
+		.active		= ioperm_active,
+		.regset_get	= ioperm_get
 	},
 };
 
-- 
2.17.1


  parent reply	other threads:[~2022-03-17 19:20 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-17 19:20 [PATCH v2 0/3] Regset cleanups Rick Edgecombe
2022-03-17 19:20 ` [PATCH v2 1/3] x86: Separate out x86_regset for 32 and 64 bit Rick Edgecombe
2022-03-17 21:33   ` Kees Cook
2022-03-17 21:54     ` Edgecombe, Rick P
2022-03-17 19:20 ` Rick Edgecombe [this message]
2022-03-17 19:20 ` [PATCH v2 3/3] elf: Don't write past end of notes for regset gap Rick Edgecombe
2022-03-17 21:26   ` Kees Cook
2022-03-17 21:53     ` Edgecombe, Rick P
2022-03-18 17:18   ` (subset) " Kees Cook

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