korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-09-22 04:31:58 +08:00
Code Issues Packages Projects Releases Wiki Activity

LoongArch fixes for v6.4-rc7

Browse Source 
-----BEGIN PGP SIGNATURE-----
 
 iQJKBAABCAA0FiEEzOlt8mkP+tbeiYy5AoYrw/LiJnoFAmSKztsWHGNoZW5odWFj
 YWlAa2VybmVsLm9yZwAKCRAChivD8uImegTuD/0XxnhDiuZqe2pn6PUyLxpJPwDB
 re1y7JZ6lDnHuBgRIWnTNj2av5ubu86KV5yNtvIE8dT138zvF2umUCPtNxroiHze
 QKpY6YXctk9C7+vbTU3jLM+AcZHk87xClcBdzZGQiPcevWhtpxuyeE9+Ka2sn45h
 a3J8ZjKmSCFbU1iNezfGq1uvnTtvjvj7HxcCDf6RSMUnK5e/8uyhOojZKJhffUbn
 6eyPtFHBmZhU8nsYlyqE7C/as8nMvUWXm100et1ASpU85dSghTLcg7xeKOxBkQ6x
 FuD+4iFq67zhe0PadymjJKJQrl1zEpVPb60DO9SQYr3HA5dePEoKbDlaBgpx6vXo
 mAPvLgMA6qitK7BRnLjgkQoUzOFKhsVIj3wGhOcrPGsPH7pEXgoSfanRZ4ab9dcS
 HWFNBmdhx30oyotoSznhVz/AjLrKbcrCUCEKf8bowKQuGHxziWzW4pjarLBB5jsu
 Q2DQJqA0C7KhSuxZo/ZyWg90DzOdoqllJ0O06D2dlOevhkZHb0xXp+wwEgqs4oo8
 3Axred7aSsf1EWxQ4uCBfolB1fuW86B3ewDcQR7+adG1CBEiZot0Qyib9XHKFRPW
 k1mKgylV53UZMKHSneNbW3OHkGVC9+fnC9DrPXr9iew9hnh/eXLDQ+W9zvMvuwcP
 kGaqoZekWU/XeH5tKw==
 =Ma6G
 -----END PGP SIGNATURE-----

Merge tag 'loongarch-fixes-6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch fixes from Huacai Chen:
 "Some trivial bug fixes for v6.4-rc7"

* tag 'loongarch-fixes-6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  LoongArch: Fix debugfs_create_dir() error checking
  LoongArch: Avoid uninitialized alignment_mask
  LoongArch: Fix perf event id calculation
  LoongArch: Fix the write_fcsr() macro
  LoongArch: Let pmd_present() return true when splitting pmd
This commit is contained in:
Linus Torvalds 2023-06-15 20:56:39 -07:00
commit 627d858674
6 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/loongarch/include/asm/loongarch.h
View File

@ -1496,7 +1496,7 @@ __BUILD_CSR_OP(tlbidx)
#define write_fcsr(dest, val) \
do { \
__asm__ __volatile__( \
" movgr2fcsr %0, "__stringify(dest)" \n" \
" movgr2fcsr "__stringify(dest)", %0 \n" \
: : "r" (val)); \
} while (0)

2
arch/loongarch/include/asm/pgtable-bits.h
View File

@ -22,12 +22,14 @@
#define _PAGE_PFN_SHIFT 12
#define _PAGE_SWP_EXCLUSIVE_SHIFT 23
#define _PAGE_PFN_END_SHIFT 48
#define _PAGE_PRESENT_INVALID_SHIFT 60
#define _PAGE_NO_READ_SHIFT 61
#define _PAGE_NO_EXEC_SHIFT 62
#define _PAGE_RPLV_SHIFT 63
/* Used by software */
#define _PAGE_PRESENT (_ULCAST_(1) << _PAGE_PRESENT_SHIFT)
#define _PAGE_PRESENT_INVALID (_ULCAST_(1) << _PAGE_PRESENT_INVALID_SHIFT)
#define _PAGE_WRITE (_ULCAST_(1) << _PAGE_WRITE_SHIFT)
#define _PAGE_ACCESSED (_ULCAST_(1) << _PAGE_ACCESSED_SHIFT)
#define _PAGE_MODIFIED (_ULCAST_(1) << _PAGE_MODIFIED_SHIFT)

3
arch/loongarch/include/asm/pgtable.h
View File

@ -213,7 +213,7 @@ static inline int pmd_bad(pmd_t pmd)
static inline int pmd_present(pmd_t pmd)
{
if (unlikely(pmd_val(pmd) & _PAGE_HUGE))
return !!(pmd_val(pmd) & (_PAGE_PRESENT | _PAGE_PROTNONE));
return !!(pmd_val(pmd) & (_PAGE_PRESENT | _PAGE_PROTNONE | _PAGE_PRESENT_INVALID));
return pmd_val(pmd) != (unsigned long)invalid_pte_table;
}
@ -558,6 +558,7 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
static inline pmd_t pmd_mkinvalid(pmd_t pmd)
{
pmd_val(pmd) |= _PAGE_PRESENT_INVALID;
pmd_val(pmd) &= ~(_PAGE_PRESENT | _PAGE_VALID | _PAGE_DIRTY | _PAGE_PROTNONE);
return pmd;

2
arch/loongarch/kernel/hw_breakpoint.c
View File

@ -396,6 +396,8 @@ int hw_breakpoint_arch_parse(struct perf_event *bp,
if (hw->ctrl.type != LOONGARCH_BREAKPOINT_EXECUTE)
alignment_mask = 0x7;
else
alignment_mask = 0x3;
offset = hw->address & alignment_mask;
hw->address &= ~alignment_mask;

6
arch/loongarch/kernel/perf_event.c
View File

@ -271,7 +271,7 @@ static void loongarch_pmu_enable_event(struct hw_perf_event *evt, int idx)
WARN_ON(idx < 0 || idx >= loongarch_pmu.num_counters);
/* Make sure interrupt enabled. */
cpuc->saved_ctrl[idx] = M_PERFCTL_EVENT(evt->event_base & 0xff) |
cpuc->saved_ctrl[idx] = M_PERFCTL_EVENT(evt->event_base) |
(evt->config_base & M_PERFCTL_CONFIG_MASK) | CSR_PERFCTRL_IE;
cpu = (event->cpu >= 0) ? event->cpu : smp_processor_id();
@ -594,7 +594,7 @@ static struct pmu pmu = {
static unsigned int loongarch_pmu_perf_event_encode(const struct loongarch_perf_event *pev)
{
return (pev->event_id & 0xff);
return M_PERFCTL_EVENT(pev->event_id);
}
static const struct loongarch_perf_event *loongarch_pmu_map_general_event(int idx)
@ -849,7 +849,7 @@ static void resume_local_counters(void)
static const struct loongarch_perf_event *loongarch_pmu_map_raw_event(u64 config)
{
raw_event.event_id = config & 0xff;
raw_event.event_id = M_PERFCTL_EVENT(config);
return &raw_event;
}

2
arch/loongarch/kernel/unaligned.c
View File

@ -485,7 +485,7 @@ static int __init debugfs_unaligned(void)
struct dentry *d;
d = debugfs_create_dir("loongarch", NULL);
if (!d)
if (IS_ERR_OR_NULL(d))
return -ENOMEM;
debugfs_create_u32("unaligned_instructions_user",