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x86: Remove unusual Unicode characters from comments 

We've accumulated a few unusual Unicode characters in arch/x86/
over the years, substitute them with their proper ASCII equivalents.

A few of them were a whitespace equivalent: ' ' - the use was harmless.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
This commit is contained in:
Ingo Molnar 2021-03-21 23:32:33 +01:00
parent ca8778c45e
commit c681df88dc
4 changed files with 15 additions and 15 deletions
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12
arch/x86/events/intel/uncore_snbep.c
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@ -280,17 +280,17 @@
* | [63] | 00h | VALID - When set, indicates the CPU bus
* numbers have been initialized. (RO)
* |[62:48]| --- | Reserved
* |[47:40]| 00h | BUS_NUM_5 — Return the bus number BIOS assigned
* |[47:40]| 00h | BUS_NUM_5 - Return the bus number BIOS assigned
* CPUBUSNO(5). (RO)
* |[39:32]| 00h | BUS_NUM_4 — Return the bus number BIOS assigned
* |[39:32]| 00h | BUS_NUM_4 - Return the bus number BIOS assigned
* CPUBUSNO(4). (RO)
* |[31:24]| 00h | BUS_NUM_3 — Return the bus number BIOS assigned
* |[31:24]| 00h | BUS_NUM_3 - Return the bus number BIOS assigned
* CPUBUSNO(3). (RO)
* |[23:16]| 00h | BUS_NUM_2 — Return the bus number BIOS assigned
* |[23:16]| 00h | BUS_NUM_2 - Return the bus number BIOS assigned
* CPUBUSNO(2). (RO)
* |[15:8] | 00h | BUS_NUM_1 — Return the bus number BIOS assigned
* |[15:8] | 00h | BUS_NUM_1 - Return the bus number BIOS assigned
* CPUBUSNO(1). (RO)
* | [7:0] | 00h | BUS_NUM_0 — Return the bus number BIOS assigned
* | [7:0] | 00h | BUS_NUM_0 - Return the bus number BIOS assigned
* CPUBUSNO(0). (RO)
*/
#define SKX_MSR_CPU_BUS_NUMBER 0x300

10
arch/x86/include/asm/elf.h
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@ -283,12 +283,12 @@ extern u32 elf_hwcap2;
*
* The decision process for determining the results are:
*
*              CPU: | lacks NX*  | has NX, ia32     | has NX, x86_64 |
* ELF:              |            |                  |                |
* CPU: | lacks NX* | has NX, ia32 | has NX, x86_64 |
* ELF: | | | |
* ---------------------|------------|------------------|----------------|
* missing PT_GNU_STACK | exec-all   | exec-all         | exec-none      |
* PT_GNU_STACK == RWX  | exec-stack | exec-stack       | exec-stack     |
* PT_GNU_STACK == RW   | exec-none  | exec-none        | exec-none      |
* missing PT_GNU_STACK | exec-all | exec-all | exec-none |
* PT_GNU_STACK == RWX | exec-stack | exec-stack | exec-stack |
* PT_GNU_STACK == RW | exec-none | exec-none | exec-none |
*
* exec-all : all PROT_READ user mappings are executable, except when
* backed by files on a noexec-filesystem.

2
arch/x86/include/asm/nospec-branch.h
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@ -33,7 +33,7 @@
/*
* Google experimented with loop-unrolling and this turned out to be
* the optimal version — two calls, each with their own speculation
* the optimal version - two calls, each with their own speculation
* trap should their return address end up getting used, in a loop.
*/
#define __FILL_RETURN_BUFFER(reg, nr, sp) \

6
arch/x86/platform/pvh/head.S
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@ -30,10 +30,10 @@
* the boot start info structure.
* - `cr0`: bit 0 (PE) must be set. All the other writeable bits are cleared.
* - `cr4`: all bits are cleared.
* - `cs `: must be a 32-bit read/execute code segment with a base of ‘0’
* and a limit of ‘0xFFFFFFFF’. The selector value is unspecified.
* - `cs `: must be a 32-bit read/execute code segment with a base of `0`
* and a limit of `0xFFFFFFFF`. The selector value is unspecified.
* - `ds`, `es`: must be a 32-bit read/write data segment with a base of
* ‘0’ and a limit of ‘0xFFFFFFFF’. The selector values are all
* `0` and a limit of `0xFFFFFFFF`. The selector values are all
* unspecified.
* - `tr`: must be a 32-bit TSS (active) with a base of '0' and a limit
* of '0x67'.