linux

iv/linux

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Peter Zijlstra cc3011cdbe x86/retbleed: Add fine grained Kconfig knobs

commit f43b9876e857c739d407bc56df288b0ebe1a9164 upstream.

Do fine-grained Kconfig for all the various retbleed parts.

NOTE: if your compiler doesn't support return thunks this will
silently 'upgrade' your mitigation to IBPB, you might not like this.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
[cascardo: there is no CONFIG_OBJTOOL]
[cascardo: objtool calling and option parsing has changed]
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-07-23 12:54:10 +02:00

arch.h

x86,objtool: Create .return_sites

2022-07-23 12:53:58 +02:00

builtin.h

x86/retbleed: Add fine grained Kconfig knobs

2022-07-23 12:54:10 +02:00

cfi.h

objtool: Introduce CFI hash

2022-07-23 12:53:51 +02:00

check.h

objtool: Re-add UNWIND_HINT_{SAVE_RESTORE}