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| author | Borislav Petkov <bp@suse.de> | 2022-07-11 09:58:01 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2022-07-11 09:58:01 +0200 |
| commit | 5a88c48f4146de2c8c2ed7ddcaa76f898869f3a3 (patch) | |
| tree | fc501a1b940026cbd5316f8665236c109d5f1a2e /arch/x86/kernel | |
| parent | b69a2afd5afce9bf6d56e349d6ab592c916e20f2 (diff) | |
| parent | 32346491ddf24599decca06190ebca03ff9de7f8 (diff) | |
| download | linux-5a88c48f4146de2c8c2ed7ddcaa76f898869f3a3.tar.gz linux-5a88c48f4146de2c8c2ed7ddcaa76f898869f3a3.tar.bz2 linux-5a88c48f4146de2c8c2ed7ddcaa76f898869f3a3.zip | |
Merge tag 'v5.19-rc6' into tip:x86/kdump
Merge rc6 to pick up dependent changes to the bootparam UAPI header.
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/acpi/cppc.c | 10 | ||||
| -rw-r--r-- | arch/x86/kernel/head64.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/vmlinux.lds.S | 2 |
3 files changed, 14 insertions, 2 deletions
diff --git a/arch/x86/kernel/acpi/cppc.c b/arch/x86/kernel/acpi/cppc.c index 8b8cbf22461a..734b96454896 100644 --- a/arch/x86/kernel/acpi/cppc.c +++ b/arch/x86/kernel/acpi/cppc.c @@ -11,6 +11,16 @@ /* Refer to drivers/acpi/cppc_acpi.c for the description of functions */ +bool cpc_supported_by_cpu(void) +{ + switch (boot_cpu_data.x86_vendor) { + case X86_VENDOR_AMD: + case X86_VENDOR_HYGON: + return boot_cpu_has(X86_FEATURE_CPPC); + } + return false; +} + bool cpc_ffh_supported(void) { return true; diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index bd4a34100ed0..6a3cfaf6b72a 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -426,10 +426,12 @@ void __init do_early_exception(struct pt_regs *regs, int trapnr) /* Don't add a printk in there. printk relies on the PDA which is not initialized yet. */ -static void __init clear_bss(void) +void __init clear_bss(void) { memset(__bss_start, 0, (unsigned long) __bss_stop - (unsigned long) __bss_start); + memset(__brk_base, 0, + (unsigned long) __brk_limit - (unsigned long) __brk_base); } static unsigned long get_cmd_line_ptr(void) diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 81aba718ecd5..9487ce8c13ee 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -385,7 +385,7 @@ SECTIONS __end_of_kernel_reserve = .; . = ALIGN(PAGE_SIZE); - .brk (NOLOAD) : AT(ADDR(.brk) - LOAD_OFFSET) { + .brk : AT(ADDR(.brk) - LOAD_OFFSET) { __brk_base = .; . += 64 * 1024; /* 64k alignment slop space */ *(.bss..brk) /* areas brk users have reserved */ |