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6 Commits
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a99b5791dd
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a99b5791dd | ||
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baeb9a7d8b | ||
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2638e4e6b1 | ||
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d8fccd9ca5 | ||
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d2d6422f8b | ||
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7344c311f4 |
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@ -101,6 +101,7 @@ config ARM64
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select ARCH_SUPPORTS_NUMA_BALANCING
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select ARCH_SUPPORTS_PAGE_TABLE_CHECK
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select ARCH_SUPPORTS_PER_VMA_LOCK
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select ARCH_SUPPORTS_RT
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select ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH
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select ARCH_WANT_COMPAT_IPC_PARSE_VERSION if COMPAT
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select ARCH_WANT_DEFAULT_BPF_JIT
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@ -65,6 +65,7 @@ config RISCV
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select ARCH_SUPPORTS_LTO_CLANG_THIN if LLD_VERSION >= 140000
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select ARCH_SUPPORTS_PAGE_TABLE_CHECK if MMU
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select ARCH_SUPPORTS_PER_VMA_LOCK if MMU
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select ARCH_SUPPORTS_RT
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select ARCH_SUPPORTS_SHADOW_CALL_STACK if HAVE_SHADOW_CALL_STACK
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select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
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select ARCH_USE_MEMTEST
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@ -124,6 +124,7 @@ config X86
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select ARCH_USES_CFI_TRAPS if X86_64 && CFI_CLANG
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select ARCH_SUPPORTS_LTO_CLANG
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select ARCH_SUPPORTS_LTO_CLANG_THIN
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select ARCH_SUPPORTS_RT
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select ARCH_USE_BUILTIN_BSWAP
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select ARCH_USE_CMPXCHG_LOCKREF if X86_CMPXCHG64
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select ARCH_USE_MEMTEST
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@ -86,7 +86,7 @@ static int __init parse_crashkernel_mem(char *cmdline,
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}
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cur++;
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/* if no ':' is here, than we read the end */
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/* if no ':' is here, then we read the end */
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if (*cur != ':') {
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end = memparse(cur, &tmp);
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if (cur == tmp) {
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@ -131,12 +131,13 @@ static int __init parse_crashkernel_mem(char *cmdline,
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cur++;
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*crash_base = memparse(cur, &tmp);
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if (cur == tmp) {
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pr_warn("crahskernel: Memory value expected after '@'\n");
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pr_warn("crashkernel: Memory value expected after '@'\n"); // Fixed typo
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return -EINVAL;
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}
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}
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} else
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} else {
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pr_info("crashkernel size resulted in zero bytes\n");
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}
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return 0;
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}
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@ -180,7 +181,7 @@ static __initdata char *suffix_tbl[] = {
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};
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/*
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* That function parses "suffix" crashkernel command lines like
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* That function parses "suffix" crashkernel command lines like
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*
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* crashkernel=size,[high|low]
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*
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@ -332,8 +333,10 @@ int __init parse_crashkernel(char *cmdline,
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*high = true;
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}
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#endif
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if (!*crash_size)
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if (!*crash_size) {
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pr_warn("crashkernel: calculated crash size is zero\n");
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ret = -EINVAL;
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}
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return ret;
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}
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@ -380,6 +383,8 @@ void __init reserve_crashkernel_generic(char *cmdline,
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{
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unsigned long long search_end = CRASH_ADDR_LOW_MAX, search_base = 0;
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bool fixed_base = false;
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int retry_count = 0;
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const int max_retries = 5; // To prevent infinite loops
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/* User specifies base address explicitly. */
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if (crash_base) {
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@ -395,6 +400,11 @@ retry:
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crash_base = memblock_phys_alloc_range(crash_size, CRASH_ALIGN,
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search_base, search_end);
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if (!crash_base) {
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if (retry_count++ >= max_retries) {
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pr_warn("crashkernel reservation failed after maximum retries.\n");
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return;
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}
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/*
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* For crashkernel=size[KMG]@offset[KMG], print out failure
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* message if can't reserve the specified region.
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