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* fs: afs: Use pr_warn instead of pr_warningKefeng Wang2019-10-183-11/+10
| | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-23-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: David Howells <dhowells@redhat.com> Cc: linux-afs@lists.infradead.org Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* sh/intc: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-2/+2
| | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-22-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* scsi: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-1/+1
| | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-21-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: "James E.J. Bottomley" <jejb@linux.ibm.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* platform/x86: intel_oaktrail: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-5/+5
| | | | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-20-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Corentin Chary <corentin.chary@gmail.com> Cc: Darren Hart <dvhart@infradead.org> Cc: Andy Shevchenko <andy@infradead.org> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* platform/x86: asus-laptop: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-1/+1
| | | | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-19-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Corentin Chary <corentin.chary@gmail.com> Cc: Darren Hart <dvhart@infradead.org> Cc: Andy Shevchenko <andy@infradead.org> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* platform/x86: eeepc-laptop: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-1/+1
| | | | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-18-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Corentin Chary <corentin.chary@gmail.com> Cc: Darren Hart <dvhart@infradead.org> Cc: Andy Shevchenko <andy@infradead.org> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* oprofile: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-4/+4
| | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-17-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Acked-by: Robert Richter <rric@kernel.org> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* of: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-10/+10
| | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-16-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Rob Herring <robh+dt@kernel.org> Cc: Frank Rowand <frowand.list@gmail.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* macintosh: Use pr_warn instead of pr_warningKefeng Wang2019-10-184-19/+17
| | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-15-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* idsn: Use pr_warn instead of pr_warningKefeng Wang2019-10-189-37/+35
| | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-14-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Karsten Keil <isdn@linux-pingi.de> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* ide: Use pr_warn instead of pr_warningKefeng Wang2019-10-182-4/+4
| | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-13-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* crypto: n2: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-6/+6
| | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-12-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* clocksource: samsung_pwm_timer: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-2/+1
| | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-11-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> [pmladek@suse.com: Fixed indentation] Signed-off-by: Petr Mladek <pmladek@suse.com>
* gdrom: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-2/+2
| | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-10-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* drbd: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-7/+6
| | | | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-9-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Philipp Reisner <philipp.reisner@linbit.com> Cc: Lars Ellenberg <lars.ellenberg@linbit.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: drbd-dev@lists.linbit.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* acpi: Use pr_warn instead of pr_warningKefeng Wang2019-10-187-50/+48
| | | | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-8-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Len Brown <lenb@kernel.org> Cc: James Morse <james.morse@arm.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> [pmladek@suse.com: two more indentation fixes] Signed-off-by: Petr Mladek <pmladek@suse.com>
* x86: Use pr_warn instead of pr_warningKefeng Wang2019-10-1814-65/+57
| | | | | | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-7-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Robert Richter <rric@kernel.org> Cc: Darren Hart <dvhart@infradead.org> Cc: Andy Shevchenko <andy@infradead.org> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* sparc: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-3/+3
| | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-6-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Petr Mladek <pmladek@suse.com>
* sh: Use pr_warn instead of pr_warningKefeng Wang2019-10-185-7/+6
| | | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-5-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* riscv: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-2/+2
| | | | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-4-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Albert Ou <aou@eecs.berkeley.edu> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Acked-by: Palmer Dabbelt <palmer@sifive.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* ia64: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-1/+1
| | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-3-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* arm64: Use pr_warn instead of pr_warningKefeng Wang2019-10-182-10/+9
| | | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-2-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Acked-by: Will Deacon <will@kernel.org> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* alpha: Use pr_warn instead of pr_warningKefeng Wang2019-10-181-2/+2
| | | | | | | | | | | | | | As said in commit f2c2cbcc35d4 ("powerpc: Use pr_warn instead of pr_warning"), removing pr_warning so all logging messages use a consistent <prefix>_warn style. Let's do it. Link: http://lkml.kernel.org/r/20191018031850.48498-1-wangkefeng.wang@huawei.com To: linux-kernel@vger.kernel.org Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* Merge branch 'for-5.4' into for-linusPetr Mladek2019-09-165-21/+49
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| * ABI: Update dev-kmsg documentation to match current kernel behaviourJames Byrne2019-09-061-8/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 5aa068ea4082 ("printk: remove games with previous record flags") abolished the practice of setting the log flag to 'c' for the first continuation line and '+' for subsequent lines. Now all continuation lines are flagged with 'c' and '+' is never used. Update the 'dev-kmsg' documentation to remove the reference to the obsolete '+' flag. In addition, state explicitly that only 8 bits of the <N> syslog prefix are used for the facility number when writing to /dev/kmsg. Link: http://lkml.kernel.org/r/0102016cf1b26630-8e9b337b-da49-43c6-b028-4250c2fac3ef-000000@eu-west-1.amazonses.com Cc: Steven Rostedt <rostedt@goodmis.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: James Byrne <james.byrne@origamienergy.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
| * printk: Replace strncmp() with str_has_prefix()Chuhong Yuan2019-08-162-10/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | strncmp(str, const, len) is error-prone because len is easy to have typo. An example is the hard-coded len has counting error or sizeof(const) forgets - 1. So we prefer using newly introduced str_has_prefix() to substitute such strncmp() to make code better. Link: http://lkml.kernel.org/r/20190809071034.17279-1-hslester96@gmail.com Cc: "Steven Rostedt" <rostedt@goodmis.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: Chuhong Yuan <hslester96@gmail.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> [pmladek@suse.com: Slightly updated and reformatted the commit message.] Signed-off-by: Petr Mladek <pmladek@suse.com>
| * lib/test_printf: Remove obvious comments from %pd and %pD testsPetr Mladek2019-08-151-2/+0
| | | | | | | | Signed-off-by: Petr Mladek <pmladek@suse.com>
| * lib/test_printf: Add test of null/invalid pointer dereference for dentryJia He2019-08-151-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This add some additional test cases of null/invalid pointer dereference for dentry and file (%pd and %pD) Link: http://lkml.kernel.org/r/20190809012457.56685-2-justin.he@arm.com To: Geert Uytterhoeven <geert+renesas@glider.be> To: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> To: Thomas Gleixner <tglx@linutronix.de> To: Andy Shevchenko <andriy.shevchenko@linux.intel.com> To: Petr Mladek <pmladek@suse.com> To: linux-kernel@vger.kernel.org Cc: Kees Cook <keescook@chromium.org> Cc: "Steven Rostedt (VMware)" <rostedt@goodmis.org> Cc: Shuah Khan <shuah@kernel.org> Cc: "Tobin C. Harding" <tobin@kernel.org> Signed-off-by: Jia He <justin.he@arm.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
| * vsprintf: Prevent crash when dereferencing invalid pointers for %pDJia He2019-08-151-3/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 3e5903eb9cff ("vsprintf: Prevent crash when dereferencing invalid pointers") prevents most crash except for %pD. There is an additional pointer dereferencing before dentry_name. At least, vma->file can be NULL and be passed to printk %pD in print_bad_pte, which can cause crash. This patch fixes it with introducing a new file_dentry_name. Link: http://lkml.kernel.org/r/20190809012457.56685-1-justin.he@arm.com Fixes: 3e5903eb9cff ("vsprintf: Prevent crash when dereferencing invalid pointers") To: Geert Uytterhoeven <geert+renesas@glider.be> To: Thomas Gleixner <tglx@linutronix.de> To: Andy Shevchenko <andriy.shevchenko@linux.intel.com> To: linux-kernel@vger.kernel.org Cc: Kees Cook <keescook@chromium.org> Cc: "Steven Rostedt (VMware)" <rostedt@goodmis.org> Cc: Shuah Khan <shuah@kernel.org> Cc: "Tobin C. Harding" <tobin@kernel.org> Signed-off-by: Jia He <justin.he@arm.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* | printk: Do not lose last line in kmsg buffer dumpVincent Whitchurch2019-07-121-1/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | kmsg_dump_get_buffer() is supposed to select all the youngest log messages which fit into the provided buffer. It determines the correct start index by using msg_print_text() with a NULL buffer to calculate the size of each entry. However, when performing the actual writes, msg_print_text() only writes the entry to the buffer if the written len is lesser than the size of the buffer. So if the lengths of the selected youngest log messages happen to precisely fill up the provided buffer, the last log message is not included. We don't want to modify msg_print_text() to fill up the buffer and start returning a length which is equal to the size of the buffer, since callers of its other users, such as kmsg_dump_get_line(), depend upon the current behaviour. Instead, fix kmsg_dump_get_buffer() to compensate for this. For example, with the following two final prints: [ 6.427502] AAAAAAAAAAAAA [ 6.427769] BBBBBBBB12345 A dump of a 64-byte buffer filled by kmsg_dump_get_buffer(), before this patch: 00000000: 3c 30 3e 5b 20 20 20 20 36 2e 35 32 32 31 39 37 <0>[ 6.522197 00000010: 5d 20 41 41 41 41 41 41 41 41 41 41 41 41 41 0a ] AAAAAAAAAAAAA. 00000020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ After this patch: 00000000: 3c 30 3e 5b 20 20 20 20 36 2e 34 35 36 36 37 38 <0>[ 6.456678 00000010: 5d 20 42 42 42 42 42 42 42 42 31 32 33 34 35 0a ] BBBBBBBB12345. 00000020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Link: http://lkml.kernel.org/r/20190711142937.4083-1-vincent.whitchurch@axis.com Fixes: e2ae715d66bf4bec ("kmsg - kmsg_dump() use iterator to receive log buffer content") To: rostedt@goodmis.org Cc: linux-kernel@vger.kernel.org Cc: <stable@vger.kernel.org> # v3.5+ Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* Merge tag 'printk-for-5.3' of ↵Linus Torvalds2019-07-091-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk Pull printk updates from Petr Mladek: - distinguish different legacy clocks again - small clean up * tag 'printk-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk: lib/vsprintf: Reinstate printing of legacy clock IDs vsprintf: fix data type of variable in string_nocheck()
| * lib/vsprintf: Reinstate printing of legacy clock IDsGeert Uytterhoeven2019-07-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When using the legacy clock framework, clock pointers are no longer printed as IDs, as the !CONFIG_COMMON_CLK case was accidentally considered an error case. Fix this by reverting to the old behavior, which allows to distinguish clocks by ID, as the legacy clock framework does not store names with clocks. Fixes: 0b74d4d763fd4ee9 ("vsprintf: Consolidate handling of unknown pointer specifiers") Link: http://lkml.kernel.org/r/20190701140009.23683-1-geert+renesas@glider.be Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Petr Mladek <pmladek@suse.com>
| * vsprintf: fix data type of variable in string_nocheck()Youngmin Nam2019-06-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes data type of precision with int. The precision is declared as signed int in struct printf_spec. Link: http://lkml.kernel.org/r/040301d51f60$b4959100$1dc0b300$@samsung.com To: <andriy.shevchenko@linux.intel.com> To: <geert+renesas@glider.be> To: <rostedt@goodmis.org> To: <me@tobin.cc> Signed-off-by: Youngmin Nam <youngmin.nam@samsung.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
* | Merge branch 'next-lsm' of ↵Linus Torvalds2019-07-091-3/+3
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull capabilities update from James Morris: "Minor fixes for capabilities: - Update the commoncap.c code to utilize XATTR_SECURITY_PREFIX_LEN, from Carmeli tamir. - Make the capability hooks static, from Yue Haibing" * 'next-lsm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: security/commoncap: Use xattr security prefix len security: Make capability_hooks static
| * | security/commoncap: Use xattr security prefix lenCarmeli Tamir2019-07-071-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Using the existing defined XATTR_SECURITY_PREFIX_LEN instead of sizeof(XATTR_SECURITY_PREFIX) - 1. Pretty simple cleanup. Signed-off-by: Carmeli Tamir <carmeli.tamir@gmail.com> Signed-off-by: James Morris <jamorris@linux.microsoft.com>
| * | security: Make capability_hooks staticYueHaibing2019-06-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix sparse warning: security/commoncap.c:1347:27: warning: symbol 'capability_hooks' was not declared. Should it be static? Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: James Morris <jamorris@linux.microsoft.com>
* | | Merge branch 'parisc-5.3-1' of ↵Linus Torvalds2019-07-0915-61/+359
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc updates from Helge Deller: "Dynamic ftrace support by Sven Schnelle and a header guard fix by Denis Efremov" * 'parisc-5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: asm: psw.h: missing header guard parisc: add dynamic ftrace compiler.h: add CC_USING_PATCHABLE_FUNCTION_ENTRY parisc: use pr_debug() in kernel/module.c parisc: add WARN_ON() to clear_fixmap parisc: add spinlock to patch function parisc: add support for patching multiple words
| * | | parisc: asm: psw.h: missing header guardDenis Efremov2019-06-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The psw.h header file contains #ifndef directive of the guard, but the complimentary #define directive is missing. The patch adds the appropriate #define to fix the header guard. Signed-off-by: Denis Efremov <efremov@linux.com> Signed-off-by: Helge Deller <deller@gmx.de>
| * | | parisc: add dynamic ftraceSven Schnelle2019-06-0811-18/+259
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch implements dynamic ftrace for PA-RISC. The required mcount call sequences can get pretty long, so instead of patching the whole call sequence out of the functions, we are using -fpatchable-function-entry from gcc. This puts a configurable amount of NOPS before/at the start of the function. Taking do_sys_open() as example, which would look like this when the call is patched out: 1036b248: 08 00 02 40 nop 1036b24c: 08 00 02 40 nop 1036b250: 08 00 02 40 nop 1036b254: 08 00 02 40 nop 1036b258 <do_sys_open>: 1036b258: 08 00 02 40 nop 1036b25c: 08 03 02 41 copy r3,r1 1036b260: 6b c2 3f d9 stw rp,-14(sp) 1036b264: 08 1e 02 43 copy sp,r3 1036b268: 6f c1 01 00 stw,ma r1,80(sp) When ftrace gets enabled for this function the kernel will patch these NOPs to: 1036b248: 10 19 57 20 <address of ftrace> 1036b24c: 6f c1 00 80 stw,ma r1,40(sp) 1036b250: 48 21 3f d1 ldw -18(r1),r1 1036b254: e8 20 c0 02 bv,n r0(r1) 1036b258 <do_sys_open>: 1036b258: e8 3f 1f df b,l,n .-c,r1 1036b25c: 08 03 02 41 copy r3,r1 1036b260: 6b c2 3f d9 stw rp,-14(sp) 1036b264: 08 1e 02 43 copy sp,r3 1036b268: 6f c1 01 00 stw,ma r1,80(sp) So the first NOP in do_sys_open() will be patched to jump backwards into some minimal trampoline code which pushes a stackframe, saves r1 which holds the return address, loads the address of the real ftrace function, and branches to that location. For 64 Bit things are getting a bit more complicated (and longer) because we must make sure that the address of ftrace location is 8 byte aligned, and the offset passed to ldd for fetching the address is 8 byte aligned as well. Note that gcc has a bug which misplaces the function label, and needs a patch to make dynamic ftrace work. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90751 for details. Signed-off-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Helge Deller <deller@gmx.de>
| * | | compiler.h: add CC_USING_PATCHABLE_FUNCTION_ENTRYSven Schnelle2019-06-081-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This can be used for architectures implementing dynamic ftrace via -fpatchable-function-entry. Signed-off-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Helge Deller <deller@gmx.de>
| * | | parisc: use pr_debug() in kernel/module.cSven Schnelle2019-06-081-25/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of using our own version, switch to the generic pr_() calls. Signed-off-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Helge Deller <deller@gmx.de>
| * | | parisc: add WARN_ON() to clear_fixmapSven Schnelle2019-06-081-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Calling clear_fixmap() on an already cleared fixed mapping is a bad thing to do. Add a WARN_ON() to catch such issues. Signed-off-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Helge Deller <deller@gmx.de>
| * | | parisc: add spinlock to patch functionSven Schnelle2019-06-081-6/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If multiple CPUs are patching code we need the spinlock to protect against parallel fixmap maps/unmap calls. Signed-off-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Helge Deller <deller@gmx.de>
| * | | parisc: add support for patching multiple wordsSven Schnelle2019-06-082-17/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | add patch_text_multiple() which allows to patch multiple text words in memory. This can be used to copy functions. Signed-off-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Helge Deller <deller@gmx.de>
* | | | Merge branch 'x86-kdump-for-linus' of ↵Linus Torvalds2019-07-0910-37/+155
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x865 kdump updates from Thomas Gleixner: "Yet more kexec/kdump updates: - Properly support kexec when AMD's memory encryption (SME) is enabled - Pass reserved e820 ranges to the kexec kernel so both PCI and SME can work" * 'x86-kdump-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: fs/proc/vmcore: Enable dumping of encrypted memory when SEV was active x86/kexec: Set the C-bit in the identity map page table when SEV is active x86/kexec: Do not map kexec area as decrypted when SEV is active x86/crash: Add e820 reserved ranges to kdump kernel's e820 table x86/mm: Rework ioremap resource mapping determination x86/e820, ioport: Add a new I/O resource descriptor IORES_DESC_RESERVED x86/mm: Create a workarea in the kernel for SME early encryption x86/mm: Identify the end of the kernel area to be reserved
| * | | | fs/proc/vmcore: Enable dumping of encrypted memory when SEV was activeLianbo Jiang2019-06-201-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the kdump kernel, the memory of the first kernel gets to be dumped into a vmcore file. Similarly to SME kdump, if SEV was enabled in the first kernel, the old memory has to be remapped encrypted in order to access it properly. Commit 992b649a3f01 ("kdump, proc/vmcore: Enable kdumping encrypted memory with SME enabled") took care of the SME case but it uses sme_active() which checks for SME only. Use mem_encrypt_active() instead, which returns true when either SME or SEV is active. Unlike SME, the second kernel images (kernel and initrd) are loaded into encrypted memory when SEV is active, hence the kernel elf header must be remapped as encrypted in order to access it properly. [ bp: Massage commit message. ] Co-developed-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Lianbo Jiang <lijiang@redhat.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: bhe@redhat.com Cc: dyoung@redhat.com Cc: Ganesh Goudar <ganeshgr@chelsio.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: kexec@lists.infradead.org Cc: linux-fsdevel@vger.kernel.org Cc: Matthew Wilcox <willy@infradead.org> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: mingo@redhat.com Cc: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Cc: Souptick Joarder <jrdr.linux@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20190430074421.7852-4-lijiang@redhat.com
| * | | | x86/kexec: Set the C-bit in the identity map page table when SEV is activeLianbo Jiang2019-06-201-3/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When SEV is active, the second kernel image is loaded into encrypted memory. For that, make sure that when kexec builds the identity mapping page table, the memory is encrypted (i.e., _PAGE_ENC is set). [ bp: Sort local args and OR in _PAGE_ENC for more clarity. ] Co-developed-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Lianbo Jiang <lijiang@redhat.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: bhe@redhat.com Cc: dyoung@redhat.com Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: kexec@lists.infradead.org Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20190430074421.7852-3-lijiang@redhat.com
| * | | | x86/kexec: Do not map kexec area as decrypted when SEV is activeLianbo Jiang2019-06-201-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When a virtual machine panics, its memory needs to be dumped for analysis. With memory encryption in the picture, special care must be taken when loading a kexec/kdump kernel in a SEV guest. A SEV guest starts and runs fully encrypted. In order to load a kexec kernel and initrd, arch_kexec_post_{alloc,free}_pages() need to not map areas as decrypted unconditionally but differentiate whether the kernel is running as a SEV guest and if so, leave kexec area encrypted. [ bp: Reduce commit message to the relevant information pertaining to this commit only. ] Co-developed-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Lianbo Jiang <lijiang@redhat.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: bhe@redhat.com Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: dyoung@redhat.com Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: kexec@lists.infradead.org Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20190430074421.7852-2-lijiang@redhat.com
| * | | | x86/crash: Add e820 reserved ranges to kdump kernel's e820 tableLianbo Jiang2019-06-201-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At present, when using the kexec_file_load() syscall to load the kernel image and initramfs, for example: kexec -s -p xxx the kernel does not pass the e820 reserved ranges to the second kernel, which might cause two problems: 1. MMCONFIG: A device in PCI segment 1 cannot be discovered by the kernel PCI probing without all the e820 I/O reservations being present in the e820 table. Which is the case currently, because the kdump kernel does not have those reservations because the kexec command does not pass the I/O reservation via the "memmap=xxx" command line option. Further details courtesy of Bjorn Helgaas¹: I think you should regard correct MCFG/ECAM usage in the kdump kernel as a requirement. MMCONFIG (aka ECAM) space is described in the ACPI MCFG table. If you don't have ECAM: (a) PCI devices won't work at all on non-x86 systems that use only ECAM for config access, (b) you won't be able to access devices on non-0 segments (granted, there aren't very many of these yet, but there will be more in the future), and (c) you won't be able to access extended config space (addresses 0x100-0xfff), which means none of the Extended Capabilities will be available (AER, ACS, ATS, etc). 2. The second issue is that the SME kdump kernel doesn't work without the e820 reserved ranges. When SME is active in the kdump kernel, those reserved regions are still decrypted, but because those reserved ranges are not present at all in kdump kernel's e820 table, they are accessed as encrypted. Which is obviously wrong. [1]: https://lkml.kernel.org/r/CABhMZUUscS3jUZUSM5Y6EYJK6weo7Mjj5-EAKGvbw0qEe%2B38zw@mail.gmail.com [ bp: Heavily massage commit message. ] Suggested-by: Dave Young <dyoung@redhat.com> Signed-off-by: Lianbo Jiang <lijiang@redhat.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Baoquan He <bhe@redhat.com> Cc: Bjorn Helgaas <bjorn.helgaas@gmail.com> Cc: dave.hansen@linux.intel.com Cc: Dave Young <dyoung@redhat.com> Cc: "Gustavo A. R. Silva" <gustavo@embeddedor.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: kexec@lists.infradead.org Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: x86-ml <x86@kernel.org> Cc: Yi Wang <wang.yi59@zte.com.cn> Link: https://lkml.kernel.org/r/20190423013007.17838-4-lijiang@redhat.com
| * | | | x86/mm: Rework ioremap resource mapping determinationLianbo Jiang2019-06-202-26/+54
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On ioremap(), __ioremap_check_mem() does a couple of checks on the supplied memory range to determine how the range should be mapped and in particular what protection flags should be used. Generalize the procedure by introducing IORES_MAP_* flags which control different aspects of the ioremapping and use them in the respective helpers which determine which descriptor flags should be set per range. [ bp: - Rewrite commit message. - Add/improve comments. - Reflow __ioremap_caller()'s args. - s/__ioremap_check_desc/__ioremap_check_encrypted/g; - s/__ioremap_res_check/__ioremap_collect_map_flags/g; - clarify __ioremap_check_ram()'s purpose. ] Signed-off-by: Lianbo Jiang <lijiang@redhat.com> Co-developed-by: Borislav Petkov <bp@suse.de> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: bhe@redhat.com Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: dyoung@redhat.com Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: kexec@lists.infradead.org Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20190423013007.17838-3-lijiang@redhat.com
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