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Commit 15b77435 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

Pull x86 fixes from Ingo Molnar.

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, cpufeature: Remove stray %s, add -w to mkcapflags.pl
  x86, cpufeature: Catch duplicate CPU feature strings
  x86, cpufeature: Rename X86_FEATURE_DTS to X86_FEATURE_DTHERM
  x86: Fix kernel-doc warnings
  x86, compat: Use test_thread_flag(TIF_IA32) in compat signal delivery
parents 62a75b99 1b6b7c9f

arch/x86/ia32/ia32_signal.c

+1 −1
Original line number Diff line number Diff line
@@ -38,7 +38,7 @@ 
int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)

{

	int err = 0;

	bool ia32 = is_ia32_task();

	bool ia32 = test_thread_flag(TIF_IA32);



	if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))

		return -EFAULT;

arch/x86/include/asm/cpufeature.h

+1 −1
Original line number Diff line number Diff line
@@ -176,7 +176,7 @@ 
#define X86_FEATURE_XSAVEOPT	(7*32+ 4) /* Optimized Xsave */

#define X86_FEATURE_PLN		(7*32+ 5) /* Intel Power Limit Notification */

#define X86_FEATURE_PTS		(7*32+ 6) /* Intel Package Thermal Status */

#define X86_FEATURE_DTS		(7*32+ 7) /* Digital Thermal Sensor */

#define X86_FEATURE_DTHERM	(7*32+ 7) /* Digital Thermal Sensor */

#define X86_FEATURE_HW_PSTATE	(7*32+ 8) /* AMD HW-PState */



/* Virtualization flags: Linux defined, word 8 */

arch/x86/kernel/cpu/mkcapflags.pl

+19 −6
Original line number Diff line number Diff line 
#!/usr/bin/perl

#!/usr/bin/perl -w

#

# Generate the x86_cap_flags[] array from include/asm-x86/cpufeature.h

#
@@ -11,22 +11,35 @@ open(OUT, "> $out\0") or die "$0: cannot create: $out: $!\n"; 
print OUT "#include <asm/cpufeature.h>\n\n";

print OUT "const char * const x86_cap_flags[NCAPINTS*32] = {\n";



%features = ();

$err = 0;



while (defined($line = <IN>)) {

	if ($line =~ /^\s*\#\s*define\s+(X86_FEATURE_(\S+))\s+(.*)$/) {

		$macro = $1;

		$feature = $2;

		$feature = "\L$2";

		$tail = $3;

		if ($tail =~ /\/\*\s*\"([^"]*)\".*\*\//) {

			$feature = $1;

			$feature = "\L$1";

		}



		if ($feature ne '') {

			printf OUT "\t%-32s = \"%s\",\n",

				"[$macro]", "\L$feature";

		next if ($feature eq '');



		if ($features{$feature}++) {

			print STDERR "$in: duplicate feature name: $feature\n";

			$err++;

		}

		printf OUT "\t%-32s = \"%s\",\n", "[$macro]", $feature;

	}

}

print OUT "};\n";



close(IN);

close(OUT);



if ($err) {

	unlink($out);

	exit(1);

}



exit(0);

arch/x86/kernel/cpu/scattered.c

+1 −1
Original line number Diff line number Diff line
@@ -31,7 +31,7 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c) 
	const struct cpuid_bit *cb;



	static const struct cpuid_bit __cpuinitconst cpuid_bits[] = {

		{ X86_FEATURE_DTS,		CR_EAX, 0, 0x00000006, 0 },

		{ X86_FEATURE_DTHERM,		CR_EAX, 0, 0x00000006, 0 },

		{ X86_FEATURE_IDA,		CR_EAX, 1, 0x00000006, 0 },

		{ X86_FEATURE_ARAT,		CR_EAX, 2, 0x00000006, 0 },

		{ X86_FEATURE_PLN,		CR_EAX, 4, 0x00000006, 0 },

arch/x86/kernel/kgdb.c

+4 −4
Original line number Diff line number Diff line
@@ -444,12 +444,12 @@ void kgdb_roundup_cpus(unsigned long flags) 


/**

 *	kgdb_arch_handle_exception - Handle architecture specific GDB packets.

 *	@vector: The error vector of the exception that happened.

 *	@e_vector: The error vector of the exception that happened.

 *	@signo: The signal number of the exception that happened.

 *	@err_code: The error code of the exception that happened.

 *	@remcom_in_buffer: The buffer of the packet we have read.

 *	@remcom_out_buffer: The buffer of %BUFMAX bytes to write a packet into.

 *	@regs: The &struct pt_regs of the current process.

 *	@remcomInBuffer: The buffer of the packet we have read.

 *	@remcomOutBuffer: The buffer of %BUFMAX bytes to write a packet into.

 *	@linux_regs: The &struct pt_regs of the current process.

 *

 *	This function MUST handle the 'c' and 's' command packets,

 *	as well packets to set / remove a hardware breakpoint, if used.